Duet Display

Duet, Inc.

Use your Android device as a lightning fast second display for Mac & PC

Free In-App Purchases

Free In-App Purchases

4.4 Ratings 49K+ Reviews 100K+ Downloads

About Duet Display

Use your Android device as a lightning fast second display for Mac & PC

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Ratings & Reviews

4.4

48.9K+ Ratings

5

76+%

4

9+%

3

3+%

2

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1

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Good enough for me Mar 15, 2021

By bersca03

When traveling I like to have my iPad with me as a backup in case my laptop crashes. I am also much more productive when working with two monitors than one. So being able to use my iPad as a secondary monitor is great! The screen resolution on my iPad is excellent when using it as a secondary monitor. Duet Display is a reliable option but with some caveats when connecting to a Windows 10 computer. It is not quick to respond as a quality second monitor. Refresh rate/mouse lag ranges from slight to moderate. Mostly it is slight, but tends to get worse over the course of the day. It performs better after a reboot of my iPad and notebook. Once or twice a day Duet suddenly stops working, but the fix is simple. I open Duet on my notebook and hit “Quit app”. I then open Duet again and this fixes it every time. If I could count on my notebook 100% then carrying a portable monitor would be a better solution. But, having my iPad as a backup gives me peace of mind that I will not be without a working computer if my notebook should fail for any reason. Duet Display is a serviceable option if you need a secondary monitor and prefer that secondary monitor to be an iPad capable of serving as your backup computer. more
The app is good and the support team is divine Sep 5, 2020

By chuteoga

First time i write a review on App Store because i was amazed by the Duet support team. The app worked very well with my iPad 4, which is so obsolete right now it can’t run any other app smoothly. The iPhone screen is quite small to be used as 2nd monitor so i passed on that. So everything is fine as i expected, up until about recently i get stuck at “Launching Duet ...” screen. As a normal human being, i tried FAQs, Google to find answers but there is no working solution. So as a last resort i turned to support, got an automatic reply email and went to bed. The day after that, i found out that they replied literally 5 minutes after that with a few questions and a solution. That didn’t work right away but that just make me wished i asked them sooner. They kept providing me solutions after solutions, we exchanged emails for a week trying everything, they rotate 3 people in to help on my issue. The team is very polite, specifically pointed out every step along the way, never loose patient and always reply within the hour. After all it was a dumb mistake on my part, so everything is working normal again. I have to say i worked with many support teams about many issues including Apple, Facebook, Google, Microsoft, Steam, and dozens of app and game developers. This is hands down the best experienced i had working with any team. The app maybe not the best but the team is perfect, and they keep improving with each update. more
Unsupportive and Inconsistent May 1, 2021

By xcfuwdjewceuwo

I would first like to say I’ve been using Duet in my workflow for over a year now with both an iPad Air 2 and 4. I really enjoy the functionality that Duet offers, however the entire setup process is to say the least inconsistent and buggy. I’m dexterous enough with technology to be able to remedy the problem after resetting connections and resetting computers, but for when there is free or cheaper options that come without these bugs, it’s hard to continue to recommend the app. Another portion of my dissatisfaction is with the update rollouts. I use duet for PC connections, and finding the choppy and unrefined Windows program while updates for the program come out every few days or weeks is honestly saddening. The app on mobile devices also is unsupported, not having received an update in over 7 months and carrying the same bugs since the last update. Other than the complaints stated above, I do want to say that the Duet Support Team is one of the best Support Teams out there, and a big reason I’m sharing this review is because I believe that Duet cares about their app and wants to refine it as much as possible. If any Duet Representatives read this, I hope this facilitates some updates and appearance changes for a better app and a better community experience. Thank you for providing this service and for your care to your customers. (My 1 Star Review is to only get the attention of the Duet Crew) 3/5 more
Sep 4, 2020

By Megan Gonzalez

This app works pretty well. It lags a little so I would not recommend it for gaming or something that requires immediate feedback. If you are using it for school or work, I highly recommend. It makes it much easier to be able to watch a lecture on the second screen and do your primary work on the first. It saved me from having to buy a second monitor for school. I used th app on my chromebook. It made me use wifi connection rather a wired one so be aware of that. Other than that it works well. more
Awesome App and Unparalleled Support Team Sep 2, 2020

By Donna Duels

I got this app hoping to use my iPad Pro as a second monitor for my PC computer. After installation it worked like a jiffy, and not only was it a second screen I could use the touch screen of the iPad to navigate in web browsers, pc file explorer, etc. I then encountered my first issue: when using the software Ableton Live 10 the touch feature stopped working. I reached out to the support team and asked them if they could help me resolve this issue because I knew from the introductory video on their website that the touch features of Ableton live should be working. They responded back in the matter of minutes (on a Sunday!). We went back and forth for a while and it became evident that I had somewhat of a unique problem so they decided to forward my info to the dev team for testing. About 2 days later they came back with a solution that worked (I was running Ableton live as an administrator - this function needed to be turned off). Duet Display is a fantastic app that allows me to use my iPad Pro like a pc, while also being able to switch to iPad apps fluently. I can use the Live 10 software in a whole new way. This team is here to stay. I am very impressed by my whole experience with this app/team. Definitely worth the $10 download price. Shout out to Sergio from Support!! more
Great app and great support Jan 21, 2021

By JoeHflorida

I have the new Apple MacBook Pro M1. Many programs have not yet been updated to the new architecture. Understandable, but no less inconvenient. I rely on my iPad (5th gen) as my second display, so I sent an email to Duet support inquiring about when I might expect an update. Was surprised to promptly receive a reply that they were working trying to figure out the new hardware. Fast forward to tonight - I receive an email from support with specific detailed info on deleting the old and a link to a new version compatible with the M1. Receiving a follow up email from a developer was a surprise in itself, however, loading the new version and finding it worked was an even greater surprise - I had my iPad as second display again! Now for the bonus surprise...I have read that the M1 only supports one external display and I have been using a 24" external display until I got my iPad display working again so I opened display prefs and found three monitors. I now have my Pro, one 24" external and the iPad display, nice. And with the iPad wirelessly connected, I have an even better setup than before. Am I happy? You bet - happy and impressed with Duet. Once again I can take my new M1 and iPad as my second monitor wherever I go. Duet support is to be commended. more
Apr 28, 2020

By shad sluiter

It works. I tried several apps for using an android tablet as an extended monitor for mac. They all failed to connect. This one works pretty reliably. Sometimes I need to restart the app if the laptop goes into hibernation. Screen resolution is adjustable. Refresh rate is good enough for word processing. Not a good solution for games due to lag. I always use the USB connection. more
New duet user. Happy and impressed Jan 24, 2021

By txay571

I recently got a new MacBook Air and I have a old iPad laying around. I searched online and found out about duet. I liked the idea of being able to use the iPad as a second monitor because it is also portable and battery powered. I downloaded the app and the laptop program and I was excited to get started. The program was a little more complex to get installed on the computer than just downloading and going. The instructions were very good though so I didn’t have any issues. I have to be honest I was a little frustrated because the program didn’t work at first. I have a laptop with the M1 chip and apparently it wasn’t supported yet. I assumed this might be the case so I reached out to tech support. They knew exactly what I was talking about and told me I would have to wait because it was still in development. The very next day they sent me a beta version to see if the M1 update worked and I have been very happy since then. It’s nice to have a tech department that is upfront and honest. They have been great to work with and the program itself works great. I now have a use for my old iPad instead of throwing it away! I will be considering duet for more uses going forward after my first experience for sure. more
Oct 7, 2019

By A Google user

It works great on a wired connection . . . for a while. When it disconnects, re-connecting fails until I restart the app on my computer and then doesn't restart easily. I have to use Advanced Settings and then connect manually via the ip address. I was hopeful of using it as a secondary monitor for screen recording using OBS, but OBS doesn't recognize it. Perhaps this could be something the devs at Duet can look into. If they can't stabilize it, I'm not sure it's worth the price and I bought it at the sale price of $9.99 Galaxy Tab A SM-T580 Win10 more
Better graphics and works when sidecar didn't support "older" Macbook pro Oct 23, 2019

By Mr.Monkey501

I was hoping sidecar would be amazing for the general use case of having a second display, but it turns out the initial press release so showing it would work with mid 2015 Macbook pro was wrong, so after updating Mac is to Catalina I had to update the duet app on the computer (which was already in existence this early, many tech companies don't immediately support newer operating systems) and I was pleasantly surprised to find the graphics were even better then before! Kudos to duet for keeping up and supporting older devices that Apple cant support for hardware reasons, Duet is still supporting with software and there aren't any delays or latency and the graphics are on point now (it was a little fuzzy when they were doing workarounds from previous Apple software updates). The only thing is the updates on the computer side are not automatic and when you click on check for updates in the application, it shows up to date, but the website has an updated version. Had a brief issue with the touch not working, and sent an email to Duet to try and resolve it and had a response which fixed the issue in less than five minutes. I challenge you to find anywhere with that kind of response time more

Good enough for me Mar 15, 2021

By bersca03

When traveling I like to have my iPad with me as a backup in case my laptop crashes. I am also much more productive when working with two monitors than one. So being able to use my iPad as a secondary monitor is great! The screen resolution on my iPad is excellent when using it as a secondary monitor. Duet Display is a reliable option but with some caveats when connecting to a Windows 10 computer. It is not quick to respond as a quality second monitor. Refresh rate/mouse lag ranges from slight to moderate. Mostly it is slight, but tends to get worse over the course of the day. It performs better after a reboot of my iPad and notebook. Once or twice a day Duet suddenly stops working, but the fix is simple. I open Duet on my notebook and hit “Quit app”. I then open Duet again and this fixes it every time. If I could count on my notebook 100% then carrying a portable monitor would be a better solution. But, having my iPad as a backup gives me peace of mind that I will not be without a working computer if my notebook should fail for any reason. Duet Display is a serviceable option if you need a secondary monitor and prefer that secondary monitor to be an iPad capable of serving as your backup computer. more
The app is good and the support team is divine Sep 5, 2020

By chuteoga

First time i write a review on App Store because i was amazed by the Duet support team. The app worked very well with my iPad 4, which is so obsolete right now it can’t run any other app smoothly. The iPhone screen is quite small to be used as 2nd monitor so i passed on that. So everything is fine as i expected, up until about recently i get stuck at “Launching Duet ...” screen. As a normal human being, i tried FAQs, Google to find answers but there is no working solution. So as a last resort i turned to support, got an automatic reply email and went to bed. The day after that, i found out that they replied literally 5 minutes after that with a few questions and a solution. That didn’t work right away but that just make me wished i asked them sooner. They kept providing me solutions after solutions, we exchanged emails for a week trying everything, they rotate 3 people in to help on my issue. The team is very polite, specifically pointed out every step along the way, never loose patient and always reply within the hour. After all it was a dumb mistake on my part, so everything is working normal again. I have to say i worked with many support teams about many issues including Apple, Facebook, Google, Microsoft, Steam, and dozens of app and game developers. This is hands down the best experienced i had working with any team. The app maybe not the best but the team is perfect, and they keep improving with each update. more
Unsupportive and Inconsistent May 1, 2021

By xcfuwdjewceuwo

I would first like to say I’ve been using Duet in my workflow for over a year now with both an iPad Air 2 and 4. I really enjoy the functionality that Duet offers, however the entire setup process is to say the least inconsistent and buggy. I’m dexterous enough with technology to be able to remedy the problem after resetting connections and resetting computers, but for when there is free or cheaper options that come without these bugs, it’s hard to continue to recommend the app. Another portion of my dissatisfaction is with the update rollouts. I use duet for PC connections, and finding the choppy and unrefined Windows program while updates for the program come out every few days or weeks is honestly saddening. The app on mobile devices also is unsupported, not having received an update in over 7 months and carrying the same bugs since the last update. Other than the complaints stated above, I do want to say that the Duet Support Team is one of the best Support Teams out there, and a big reason I’m sharing this review is because I believe that Duet cares about their app and wants to refine it as much as possible. If any Duet Representatives read this, I hope this facilitates some updates and appearance changes for a better app and a better community experience. Thank you for providing this service and for your care to your customers. (My 1 Star Review is to only get the attention of the Duet Crew) 3/5 more
Sep 4, 2020

By Megan Gonzalez

This app works pretty well. It lags a little so I would not recommend it for gaming or something that requires immediate feedback. If you are using it for school or work, I highly recommend. It makes it much easier to be able to watch a lecture on the second screen and do your primary work on the first. It saved me from having to buy a second monitor for school. I used th app on my chromebook. It made me use wifi connection rather a wired one so be aware of that. Other than that it works well. more
Awesome App and Unparalleled Support Team Sep 2, 2020

By Donna Duels

I got this app hoping to use my iPad Pro as a second monitor for my PC computer. After installation it worked like a jiffy, and not only was it a second screen I could use the touch screen of the iPad to navigate in web browsers, pc file explorer, etc. I then encountered my first issue: when using the software Ableton Live 10 the touch feature stopped working. I reached out to the support team and asked them if they could help me resolve this issue because I knew from the introductory video on their website that the touch features of Ableton live should be working. They responded back in the matter of minutes (on a Sunday!). We went back and forth for a while and it became evident that I had somewhat of a unique problem so they decided to forward my info to the dev team for testing. About 2 days later they came back with a solution that worked (I was running Ableton live as an administrator - this function needed to be turned off). Duet Display is a fantastic app that allows me to use my iPad Pro like a pc, while also being able to switch to iPad apps fluently. I can use the Live 10 software in a whole new way. This team is here to stay. I am very impressed by my whole experience with this app/team. Definitely worth the $10 download price. Shout out to Sergio from Support!! more
Great app and great support Jan 21, 2021

By JoeHflorida

I have the new Apple MacBook Pro M1. Many programs have not yet been updated to the new architecture. Understandable, but no less inconvenient. I rely on my iPad (5th gen) as my second display, so I sent an email to Duet support inquiring about when I might expect an update. Was surprised to promptly receive a reply that they were working trying to figure out the new hardware. Fast forward to tonight - I receive an email from support with specific detailed info on deleting the old and a link to a new version compatible with the M1. Receiving a follow up email from a developer was a surprise in itself, however, loading the new version and finding it worked was an even greater surprise - I had my iPad as second display again! Now for the bonus surprise...I have read that the M1 only supports one external display and I have been using a 24" external display until I got my iPad display working again so I opened display prefs and found three monitors. I now have my Pro, one 24" external and the iPad display, nice. And with the iPad wirelessly connected, I have an even better setup than before. Am I happy? You bet - happy and impressed with Duet. Once again I can take my new M1 and iPad as my second monitor wherever I go. Duet support is to be commended. more
Apr 28, 2020

By shad sluiter

It works. I tried several apps for using an android tablet as an extended monitor for mac. They all failed to connect. This one works pretty reliably. Sometimes I need to restart the app if the laptop goes into hibernation. Screen resolution is adjustable. Refresh rate is good enough for word processing. Not a good solution for games due to lag. I always use the USB connection. more
New duet user. Happy and impressed Jan 24, 2021

By txay571

I recently got a new MacBook Air and I have a old iPad laying around. I searched online and found out about duet. I liked the idea of being able to use the iPad as a second monitor because it is also portable and battery powered. I downloaded the app and the laptop program and I was excited to get started. The program was a little more complex to get installed on the computer than just downloading and going. The instructions were very good though so I didn’t have any issues. I have to be honest I was a little frustrated because the program didn’t work at first. I have a laptop with the M1 chip and apparently it wasn’t supported yet. I assumed this might be the case so I reached out to tech support. They knew exactly what I was talking about and told me I would have to wait because it was still in development. The very next day they sent me a beta version to see if the M1 update worked and I have been very happy since then. It’s nice to have a tech department that is upfront and honest. They have been great to work with and the program itself works great. I now have a use for my old iPad instead of throwing it away! I will be considering duet for more uses going forward after my first experience for sure. more
Oct 7, 2019

By A Google user

It works great on a wired connection . . . for a while. When it disconnects, re-connecting fails until I restart the app on my computer and then doesn't restart easily. I have to use Advanced Settings and then connect manually via the ip address. I was hopeful of using it as a secondary monitor for screen recording using OBS, but OBS doesn't recognize it. Perhaps this could be something the devs at Duet can look into. If they can't stabilize it, I'm not sure it's worth the price and I bought it at the sale price of $9.99 Galaxy Tab A SM-T580 Win10 more
Better graphics and works when sidecar didn't support "older" Macbook pro Oct 23, 2019

By Mr.Monkey501

I was hoping sidecar would be amazing for the general use case of having a second display, but it turns out the initial press release so showing it would work with mid 2015 Macbook pro was wrong, so after updating Mac is to Catalina I had to update the duet app on the computer (which was already in existence this early, many tech companies don't immediately support newer operating systems) and I was pleasantly surprised to find the graphics were even better then before! Kudos to duet for keeping up and supporting older devices that Apple cant support for hardware reasons, Duet is still supporting with software and there aren't any delays or latency and the graphics are on point now (it was a little fuzzy when they were doing workarounds from previous Apple software updates). The only thing is the updates on the computer side are not automatic and when you click on check for updates in the application, it shows up to date, but the website has an updated version. Had a brief issue with the touch not working, and sent an email to Duet to try and resolve it and had a response which fixed the issue in less than five minutes. I challenge you to find anywhere with that kind of response time more

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Aug 10, 2022

By Jesse Martin-Alexander

Purchased this app to use my tablet (tab s7+) as a second monitor with my macbook pro. This is straight supported functionality according to all the documentation. The connection is unstable at best, even when using a wired USB connection. The mouse lags unpredictably, the display freezes in place arbitrarily, and the app is absolutely incapable of recovering if power management on the macbook kicks in. Support was unhelpful when contacted about this issue. Waste of money. more
Aug 19, 2020

By Kyle Chapman

Not the best but it's OK. Not worth paying for. It will stay at the connecting screen and then you have to close out the app and restart. When adjusting the resolution it will hang up and then I have to restart the app. It's like it has no error handling or retry strategy. I would be OK if the screen automatically recovered but it doesn't. I multitask in android so it would be nice to put the screen in the background with out screen getting stuck on connecting screen. more
Sooooo slow with updates Nov 26, 2017

By cHlwous07$

I use a windows 10 laptop along with an iPad Air 2. I’ve had issues with duet display disconnecting frequently while watching videos or surfing the web while using this app, but I just assumed that was due to my slow laptop. Fast forward to early Nov 2017, I got a new laptop with top of the line specs. It worked fine for a few days and then my laptop automatically installed the Creators update. After that, the app just got stuck in “Launching” for the longest time. I emailed tech support and they had me do all these silly things, and after all that they told me, “oh by the way, unfortunately our app is having some issues with the Creators update and so it won’t run right now. We are expecting a fix in a week.” First off, shouldn’t that have been the first thing to ask me instead of having me waste my time collecting “analytics” for the app? And then, to make matters worse, it has been over 2 weeks since the rep told me the fix would roll out in a week. I looked up when the Creators update was first released, and it has been almost 2 months! Does this mean that their engineers have been working diligently for 2 months on this and they still don’t have a fix? Either they are really incompetent or they just don’t care about their Windows 10 customers. Until they become more responsive with their Windows 10 updates, I would stay away from this app, for those of you not using an apple computer. more
Oct 3, 2019

By A Google user

So it works with my Android 7.0 tablet. But I feel like Android users were an afterthought. The very minimal instructions make no mention of android and only mention Apple products. Setup was very unintuitive, as I cannot seem to set this up over my usb-c connection in any way shape or form. And while I said it works, there are serious lag issues over Wi-Fi. That won't be super bad if I'm using a Word document or Excel document but it's horrendous for any sort of video or Mouse movement. more
Maybe with the iPad Pro 12" and a relatively small Mac but... Aug 10, 2017

By bcamole

I have an iPad Pro 10.5 and when matched with my 27" iMac, the screen size and resolution on my iPad makes the interface so small as to be nearly useless. I can see how this app's pro version would be useful when matching a 12" iPad Pro model with a MacBook given the relative similarities in size. I was hopeful that I would be able to use my iPad Pro and Pencil as a suitable tablet substitute with my iMac but that doesn't seem to be the case. Also, given the relative high horsepower of both my iMac and my iPad, there seems to be a significant amount of lag which makes interactions a bit too problematic. There's far more lag than one would expect using devices that have as much processing horsepower as both of these devices have especially with a direct USB connection. Update: Having just tried to use the Pro version, the screen size issue remains. While it is possible to pinch-zoom on the drawing in SketchBook, the tool panes remain tiny unlike Astropad, which not only zooms the drawing, it also zooms the tool panes as well. There is very significant and problematic lag as well. Gesture inputs from the iPad result in late and very jerky responses in my iMac. Given that this is a wired connection, the lag issue is inexcusable. In short, the app needs a great deal of work and improvement. more
Aug 7, 2020

By Chris Lewicki

Requires quite a bit of tweaking in order to run well, and absolutely shattered my previous monitor configuration on Windows 10, but after putting back everything that Duet broke, it works /fine/. There's about a quarter to half-second of lag in Duet Air when the host device is on a 1Gbit/sec Ethernet network and the client is on an 802.11AC network, which may or may not be acceptable to you. I use a Chromebook, which currently does not support Duet over USB (This is a Chrome OS limitation as far as I know, not Duet), so I cannot comment on its usability when wired in. For me, it's great for holding my chat programs and documentation while I keep my main, possibly more latency-sensitive, work on my main screen. I would most likely not recommend this if slight input latency on the client display is a dealbreaker for you, but otherwise it's serviceable. EDIT: I've dropped the score to 1 star. Over time, Duet has become worse and worse, to the point that there's anywhere between 2 to 8 seconds of lag when moving the mouse or typing on the secondary monitor provided by Duet. The Windows app is a complete mess and has a tendency to randomly lock my computer up for several seconds at a time, causing audio glitches, quite literally *halving* performance in games, causing microstutters every time I move the mouse. Truly an abhorrent app that I've given up on trying to bully into making work acceptably. more
Mar 17, 2020

By A Google user

Wanted to extend display of my work Windows computer to my personal Chromebook. I had to do a lot of fiddling back and forth between the two to get anything to show up on Chromebook for more than a second. Once I finally got it working, I was able to adjust resolution to a useful spot, but the laaagggggg makes it unusable for anything that isn't static. I can't imagine doing anything other than reading with it. I gave up. more
Apr 19, 2021

By Jason Poage

If you want to use a Chromebook as the extra monitor, don't get it. Naturally, you can't connect via USB to a PC using a Chromebook (unless you get it set up for developer mode, which is a whole thing...). Followed directions to use it wirelessly, including allowing it through my firewall. App only shows either a black screen or a frozen desktop that I can't interact with. Disappointed. more
Too expensive for what it is Jul 1, 2019

By Anon565ut

This is a pretty useful app all things considered, being able to add on another monitor at a moments notice is pretty nice and it works great for programming. There’s minor bugs with scaling in windows but that’s more to do with windows than this app. The real issues are the subscriptions and performance. The subscription cost is not at all justified given the upfront price of the app. I made the mistake of assuming that a 15 dollar app would be good to go out of the box, but oh boy was I wrong. 15 dollars is already pretty steep but asking for 20 to 30 dollars on top of that just to fix latency with the pencil is exorbitant. The other problem is that performance is just bad. Forget running the iPad Pro at it’s native resolution and don’t even think about 120FPS. With pretty good hardware (i7 and a GTX 1050ti) there was significant lag just moving windows around the display. I’m well aware that a 1050ti is not the cream of the crop when it comes to GPUs, but it can easily push 4K in non GPU intensive workloads and should have no problem with the 11 inch pro display. These performance sacrifices would be fine if this was a 5 dollar app, but for what they’re asking I’m no longer will to settle and make sacrifices, if you’re going to charge for a premium service than I expect to receive a premium service. more
Aug 11, 2020

By f Chen

I bought and paid for this app as a final resort in the hopes that I could use my new tablet (Galaxy Tab S Lite) as an input device for my desktop. Unfortunately, I would like my money back less than 30 minutes after setup. The app is horrifically laggy, so much so that several seconds elapse between input and the desktop receiving them. Cable connection is unsupported, so there seems to be no chance of fixing the lag. The worst offense is that it does not even mirror my display correctly. All that is visible on my tablet when Duet is active is my desktop background and the taskbar. It doesn't matter what window is open on my PC, nothing changes on the tablet display, making the app completely and utterly useless. I have changed the driver for my graphics card, I have used every related line in the troubleshooting manual, and I have searched google with increasingly specific lines of text. Nothing has changed, so if someone could direct me to getting a refund on this app or at very least provide a solution to the main problem that has not been mentioned before, I would deeply appreciate it. more

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The app is good and the support team is divine Sep 5, 2020

By chuteoga

First time i write a review on App Store because i was amazed by the Duet support team. The app worked very well with my iPad 4, which is so obsolete right now it can’t run any other app smoothly. The iPhone screen is quite small to be used as 2nd monitor so i passed on that. So everything is fine as i expected, up until about recently i get stuck at “Launching Duet ...” screen. As a normal human being, i tried FAQs, Google to find answers but there is no working solution. So as a last resort i turned to support, got an automatic reply email and went to bed. The day after that, i found out that they replied literally 5 minutes after that with a few questions and a solution. That didn’t work right away but that just make me wished i asked them sooner. They kept providing me solutions after solutions, we exchanged emails for a week trying everything, they rotate 3 people in to help on my issue. The team is very polite, specifically pointed out every step along the way, never loose patient and always reply within the hour. After all it was a dumb mistake on my part, so everything is working normal again. I have to say i worked with many support teams about many issues including Apple, Facebook, Google, Microsoft, Steam, and dozens of app and game developers. This is hands down the best experienced i had working with any team. The app maybe not the best but the team is perfect, and they keep improving with each update. more
Awesome App and Unparalleled Support Team Sep 2, 2020

By Donna Duels

I got this app hoping to use my iPad Pro as a second monitor for my PC computer. After installation it worked like a jiffy, and not only was it a second screen I could use the touch screen of the iPad to navigate in web browsers, pc file explorer, etc. I then encountered my first issue: when using the software Ableton Live 10 the touch feature stopped working. I reached out to the support team and asked them if they could help me resolve this issue because I knew from the introductory video on their website that the touch features of Ableton live should be working. They responded back in the matter of minutes (on a Sunday!). We went back and forth for a while and it became evident that I had somewhat of a unique problem so they decided to forward my info to the dev team for testing. About 2 days later they came back with a solution that worked (I was running Ableton live as an administrator - this function needed to be turned off). Duet Display is a fantastic app that allows me to use my iPad Pro like a pc, while also being able to switch to iPad apps fluently. I can use the Live 10 software in a whole new way. This team is here to stay. I am very impressed by my whole experience with this app/team. Definitely worth the $10 download price. Shout out to Sergio from Support!! more
Great app and great support Jan 21, 2021

By JoeHflorida

I have the new Apple MacBook Pro M1. Many programs have not yet been updated to the new architecture. Understandable, but no less inconvenient. I rely on my iPad (5th gen) as my second display, so I sent an email to Duet support inquiring about when I might expect an update. Was surprised to promptly receive a reply that they were working trying to figure out the new hardware. Fast forward to tonight - I receive an email from support with specific detailed info on deleting the old and a link to a new version compatible with the M1. Receiving a follow up email from a developer was a surprise in itself, however, loading the new version and finding it worked was an even greater surprise - I had my iPad as second display again! Now for the bonus surprise...I have read that the M1 only supports one external display and I have been using a 24" external display until I got my iPad display working again so I opened display prefs and found three monitors. I now have my Pro, one 24" external and the iPad display, nice. And with the iPad wirelessly connected, I have an even better setup than before. Am I happy? You bet - happy and impressed with Duet. Once again I can take my new M1 and iPad as my second monitor wherever I go. Duet support is to be commended. more
Apr 28, 2020

By shad sluiter

It works. I tried several apps for using an android tablet as an extended monitor for mac. They all failed to connect. This one works pretty reliably. Sometimes I need to restart the app if the laptop goes into hibernation. Screen resolution is adjustable. Refresh rate is good enough for word processing. Not a good solution for games due to lag. I always use the USB connection. more
New duet user. Happy and impressed Jan 24, 2021

By txay571

I recently got a new MacBook Air and I have a old iPad laying around. I searched online and found out about duet. I liked the idea of being able to use the iPad as a second monitor because it is also portable and battery powered. I downloaded the app and the laptop program and I was excited to get started. The program was a little more complex to get installed on the computer than just downloading and going. The instructions were very good though so I didn’t have any issues. I have to be honest I was a little frustrated because the program didn’t work at first. I have a laptop with the M1 chip and apparently it wasn’t supported yet. I assumed this might be the case so I reached out to tech support. They knew exactly what I was talking about and told me I would have to wait because it was still in development. The very next day they sent me a beta version to see if the M1 update worked and I have been very happy since then. It’s nice to have a tech department that is upfront and honest. They have been great to work with and the program itself works great. I now have a use for my old iPad instead of throwing it away! I will be considering duet for more uses going forward after my first experience for sure. more
Better graphics and works when sidecar didn't support "older" Macbook pro Oct 23, 2019

By Mr.Monkey501

I was hoping sidecar would be amazing for the general use case of having a second display, but it turns out the initial press release so showing it would work with mid 2015 Macbook pro was wrong, so after updating Mac is to Catalina I had to update the duet app on the computer (which was already in existence this early, many tech companies don't immediately support newer operating systems) and I was pleasantly surprised to find the graphics were even better then before! Kudos to duet for keeping up and supporting older devices that Apple cant support for hardware reasons, Duet is still supporting with software and there aren't any delays or latency and the graphics are on point now (it was a little fuzzy when they were doing workarounds from previous Apple software updates). The only thing is the updates on the computer side are not automatic and when you click on check for updates in the application, it shows up to date, but the website has an updated version. Had a brief issue with the touch not working, and sent an email to Duet to try and resolve it and had a response which fixed the issue in less than five minutes. I challenge you to find anywhere with that kind of response time more
Mac Mini with 3 Monitors At Last Nov 26, 2017

By JBossart

I have a 2012 version Mac Mini, the last version that permitted hardware customization. I’m running it with 16 GB RAM and two drives, one an SSD; all after market add-ons. It’s connected to two 1920x1200 monitors. There are times that I would like to have a third monitor, but that’s not an option. Believe me, I have researched it. Duet Display has provided the 3rd monitor solution, with my iPad Air 2. I regularly research and write. With Word in one window and Excel in another, it’s nice to have access to Safari to check things. It took 5 minutes to set up the location of the iPad screen, by default it was between the two monitors, and set the iPad’s resolution. It was important to set the proper resolution, enough to match 1920x1200 monitors so that I could drag applications to the iPad, but still large enough to be legible. I’m totally delighted with the results. I was not interested in upgrading to a newer Mac Mini, or iMac, because of the cost and the customization limitations. I also prefer discrete monitors rather than creating windows in a high resolution monitor. It’s more comfortable working with two 24” 1920x1200 monitors than even a 27” 5K monitor. more
Jan 14, 2021

By Bradley Ahrens

Using Duet Display app on: - Macbook Pro - Samsung Galaxy Tab Connecting wirelessly works quickly and easily. However, there is considerable lag, which is annoying enough to make me not want to use it. However, connected through a cable (USB type C to USB type C) directly from tablet to computer, there seems to be no lag. So, this works great! :) I originally had problems connecting via cable. I contacted customer support, and had very low expectations to get a real response. However, they were great! I have exchanged a few emails with them and to be honest, this is why I'm giving them 5 stars. As a developer, I understand that making your software work with all devices is reeeeally hard. However, since the support team (Thanks V. and D.!) was quick to respond and gave me helpful responses (not the automated robotic responses you can sometimes get), I felt that they really cared and wanted to help. For me, this was $10 well spent. I think we generally de-value apps since so many are free, but I think the quality of the product and support was worth it. more
SAVED MINE & MY MAC’S LIFE!! Mar 13, 2018

By vle13

Do I got a story for this review! So my cat knocked my MacBook off my bed, my mac slammed shut and I was freaking out when I opened it! I couldn’t see anything on my display! It was lit up but it was black. My keyboard was lit up and I can hear my music still going, so I know my Mac works just can’t see anything! And I was working on my midterm paper which was due in 2 hrs!! My boyfriend gave me the idea to plug my Mac into my TV as a monitor and it worked! I finished my midterm paper, but using the tv as a monitor wasn’t the best option. I have an iPad Pro, so I looked into seeing if I could use that to mirror off my Mac. That’s when I found this app!!!! The holy grail! It does everything it claims! I connect my Mac to my iPad and I can do everything! No lag either and it’s clear! My favorite part is that I can use my Apple Pencil on the iPad to move things around on my Mac! This is my first and probably only review I will ever write for any app! It saved my life and gave me a peace of mind that I can still use my Mac. Once I get my Mac fixed, I’ll definitely still use this app! 500% recommended!!! Whoever developed this app, you the real MVP! more
Works better than external mobile display Oct 14, 2019

By Bmuns81

I purchased an Asus mobile monitor with USB c type as all I wanted was another monitor that I could use to compliment my Acer PC laptop. When I got the Asus, I also discovered Duet and was able to use my 12” iPad Pro. For a second, I thought to use the Asus and ipad as a 3 screen, but the two drivers were not working well with each other. I compared the two because it seemed only one of the two would work at the same time. In general, the ipad has a better resolution although it looks slightly grainier. The Asus had worse resolution than the iPad, however, which was extremely limiting with using the web browsers or file explorer. Overall, the stability of Duet was better than the dedicated mobile monitor. Not only that, but I discovered that not only is your ipad a mobile monitor, but the monitor is also touch screen (even though my PC is not). This was really a cool bonus and a deal breaker on which one would stay or go. IF you have an iPad, save the money on an external mobile display and go this route. Save your money for a mesh WiFi system... :-) more

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Good enough for me Mar 15, 2021

By bersca03

When traveling I like to have my iPad with me as a backup in case my laptop crashes. I am also much more productive when working with two monitors than one. So being able to use my iPad as a secondary monitor is great! The screen resolution on my iPad is excellent when using it as a secondary monitor. Duet Display is a reliable option but with some caveats when connecting to a Windows 10 computer. It is not quick to respond as a quality second monitor. Refresh rate/mouse lag ranges from slight to moderate. Mostly it is slight, but tends to get worse over the course of the day. It performs better after a reboot of my iPad and notebook. Once or twice a day Duet suddenly stops working, but the fix is simple. I open Duet on my notebook and hit “Quit app”. I then open Duet again and this fixes it every time. If I could count on my notebook 100% then carrying a portable monitor would be a better solution. But, having my iPad as a backup gives me peace of mind that I will not be without a working computer if my notebook should fail for any reason. Duet Display is a serviceable option if you need a secondary monitor and prefer that secondary monitor to be an iPad capable of serving as your backup computer. more
Sep 4, 2020

By Megan Gonzalez

This app works pretty well. It lags a little so I would not recommend it for gaming or something that requires immediate feedback. If you are using it for school or work, I highly recommend. It makes it much easier to be able to watch a lecture on the second screen and do your primary work on the first. It saved me from having to buy a second monitor for school. I used th app on my chromebook. It made me use wifi connection rather a wired one so be aware of that. Other than that it works well. more
Oct 7, 2019

By A Google user

I am pretty impressed... I have a Surface Pro 3, extending to a Samsung Chromebook Plus (in addition to a wired external display via docking station --> Total of 3 displays) The initial set-up wasn't as intuitive as you think it might be. If you are having trouble finding your android device, try restarting the android (you're welcome). Also, make sure it's on the same wi-fi network as your Windows device. Once connected, it's been really good. I just have to open the Duet app on both my Chromebook and Surface, and my Surface automatically connects and extends it's display. It does have a tiny bit of lag. The lag is significant enough that I wouldn't test any UI's on it, but for less fluid things like e-mail, Teams, or Slack it's perfect. Typing, mouse, and touch screen are all flawless. more
Aug 3, 2020

By Xavier C

I have a Samsung Tab S6 Lite and I use the Duet app to mirror my PC laptop display onto my tablet. The connection is wireless and it mirrors my screen well. There is no lag for the most part, but I do notice a very slight delay at times. However, sometimes the wireless connection gets dropped. For my setup, I use the S Pen and touch features of my tablet to mark up MS Office files that I have on my laptop with handwritten notes and diagrams, while at the same time using my laptop to type and insert images and other media. Duet Support is great. I did have a problem with this setup initially but Duet Support helped to resolve it. I give it 4 stars because it's not perfect with the slight lag and dropped connection over wireless that occurs every once in a while. Since wireless connection is my only option, it's something I have to live with. Overall, this is a very good app for my use, and my experience with Duet Support was great. more
Does what it’s supposed to do... Mar 8, 2020

By HiltsBilt

I use this program with my iPad and HP Zbook workstation. I’m a graphic designer and love using my pen for everything. However the pen that came with the Zbook has wavy lines, so i wanted something more stable, in steps the iPad. My iPad combined with Duet makes it possible to use the Adobe apps that I need to and still use my pen. There is not a lot of lag at all when drawing and using the pen. I have used it in Photoshop, Indesign and Illustrator with no problems. I still need to test a few other adobe apps. The reason for the 4 stars is that in order for me to do this I had to also tack on the pro version, and this whole pay $30 a year or month crap with everything now days is very draining. Between the full adobe suite and everything else I need for my job alone its a big drain on my money (I make less then 40k a year atm). All and all I do like the app just don’t like the extra pay it cost, but when I get my MacBook for school (going back so I can have more opportunities) and the new screen Share thing it has, the “what the hell ever its called”. I’ll probably dump this when that works well enough. more
Nov 27, 2019

By A Google user

Good application that gets the job done. Several complaints and suggestions though: 1. Latency is terrible on wireless. The input response is not fluid; makes your mouse movements feel like jelly. As such, I recommend using static media on this "display", like reference notes. 2. Even on high quality there is still evident pixelation. I assume this relates to the compression that it uses related to my final complaint: 3. This app obviously sends data over Wi-Fi when used wirelessly. It should have the option to connect over Bluetooth. Apple Sidecar does not have these issues wirelessly since it uses Bluetooth, which makes sense since you will be primarily using the devices the apps runs on next to each other. Of course, you can just wire it, but thats inconvenient. more
Oct 3, 2019

By A Google user

Works well for me, using Tab S6 (Android 9) and an XPS 13 over WiFi. Surprisingly little lag, and the refresh rate is also good. Pretty cool, gotta say. The only reason I give it 4 instead of 5 stars is there's still some things that could be better, like if I attach my keyboard to my Tab, it does work, but it restarts Duet, and I have to press a key twice to start typing. Also, the trackpad mouse from Tab doesn't go over to the laptop, but that's probably a limitation on Windows side. more
Surprisingly Effective Jul 30, 2019

By Ferebeechan

After uninstalling and missing a few updates, I thought I might reconsider using the Duet Display Pro app to assist with a few current projects. Replacing my Wacom tablet was not a viable option for me due to budget constraints. I have to admit I was quite surprised to see how much the Duet Display Pro app had improved as far as functionality. Previously the pressure sensitivity was not stable enough for my needs and it felt clunky, very slow and cumbersome. Now it is as smooth as silk. The pressure sensitivity is very on point as well. Since I am using the pro version, it also allows me to connect to the desktop wirelessly. So now when I need to work with certain animation and drawing applications, I don’t need to be chained to my desktop computer. Although it is still not as responsive as I would like regarding speed, considering that I can work in a mobile capacity, have accurate pressure response and I don’t have to fork out 2k+ for another Wacom, this suits me just fine. Looking forward to what future updates will bring to the table. I high recommend purchasing the Duet Display Pro app. more
Not perfect Mar 5, 2020

By Joesuperzoo

Now that it is working I think it is a fairly smooth app that will help make my life a little easier when I’m not at home. At home I use a dual monitor setup with both screens at 1080p at 60 Hz with no lag at all. I have been disappointed that I don’t get this same result when I am using duet. The biggest issue I had with the app is that it didn’t work at all at first. The Mac app was completely non functional and doing some things I’d never seen another app do. I couldn’t close the app or click anything on it. In my task manager it didn’t show the app running but I couldn’t delete it because it was open. All of this was very confusing and frustrating so I contacted duet and they were extremely helpful. The person I talked to couldn’t answer all of my questions so she talked to the app developers and after following their directions I got it working. So far I’m happier with the customer service than I am the app and I’m alright with that. It’s for sure worth the $10. more
May 12, 2020

By Ectocipheric

With a usb connection it worked flawlessly without any stuttering or lag issues unlike other apps that are unoptimized. This one does its job better than I expected on my Nokia 3V. This app is almost perfect for my device, but it lacks the ability to customize mouse functionality. I really wanted to use this app to use Visual Studio Code and Blender, but without essential features a mouse would have I cannot recommend using it as such because some programs are completely unusable with the default mouse features this app has. more

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Unsupportive and Inconsistent May 1, 2021

By xcfuwdjewceuwo

I would first like to say I’ve been using Duet in my workflow for over a year now with both an iPad Air 2 and 4. I really enjoy the functionality that Duet offers, however the entire setup process is to say the least inconsistent and buggy. I’m dexterous enough with technology to be able to remedy the problem after resetting connections and resetting computers, but for when there is free or cheaper options that come without these bugs, it’s hard to continue to recommend the app. Another portion of my dissatisfaction is with the update rollouts. I use duet for PC connections, and finding the choppy and unrefined Windows program while updates for the program come out every few days or weeks is honestly saddening. The app on mobile devices also is unsupported, not having received an update in over 7 months and carrying the same bugs since the last update. Other than the complaints stated above, I do want to say that the Duet Support Team is one of the best Support Teams out there, and a big reason I’m sharing this review is because I believe that Duet cares about their app and wants to refine it as much as possible. If any Duet Representatives read this, I hope this facilitates some updates and appearance changes for a better app and a better community experience. Thank you for providing this service and for your care to your customers. (My 1 Star Review is to only get the attention of the Duet Crew) 3/5 more
Oct 7, 2019

By A Google user

It works great on a wired connection . . . for a while. When it disconnects, re-connecting fails until I restart the app on my computer and then doesn't restart easily. I have to use Advanced Settings and then connect manually via the ip address. I was hopeful of using it as a secondary monitor for screen recording using OBS, but OBS doesn't recognize it. Perhaps this could be something the devs at Duet can look into. If they can't stabilize it, I'm not sure it's worth the price and I bought it at the sale price of $9.99 Galaxy Tab A SM-T580 Win10 more
Oct 4, 2019

By A Google user

As of right now, the app does not work on my Pixel 3XL, and my MacBook Pro. It recognizes it on my MacBook, but it does not want to connect to my phone. I've used this app on my iPad, so I'm sure it's not my laptop that's having the issue. Edit: App works now, but still has a noticeable lag and sometimes take a while to refresh the image. App still needs some improvement. more

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Aug 19, 2020

By Kyle Chapman

Not the best but it's OK. Not worth paying for. It will stay at the connecting screen and then you have to close out the app and restart. When adjusting the resolution it will hang up and then I have to restart the app. It's like it has no error handling or retry strategy. I would be OK if the screen automatically recovered but it doesn't. I multitask in android so it would be nice to put the screen in the background with out screen getting stuck on connecting screen. more
Oct 3, 2019

By A Google user

So it works with my Android 7.0 tablet. But I feel like Android users were an afterthought. The very minimal instructions make no mention of android and only mention Apple products. Setup was very unintuitive, as I cannot seem to set this up over my usb-c connection in any way shape or form. And while I said it works, there are serious lag issues over Wi-Fi. That won't be super bad if I'm using a Word document or Excel document but it's horrendous for any sort of video or Mouse movement. more
Maybe with the iPad Pro 12" and a relatively small Mac but... Aug 10, 2017

By bcamole

I have an iPad Pro 10.5 and when matched with my 27" iMac, the screen size and resolution on my iPad makes the interface so small as to be nearly useless. I can see how this app's pro version would be useful when matching a 12" iPad Pro model with a MacBook given the relative similarities in size. I was hopeful that I would be able to use my iPad Pro and Pencil as a suitable tablet substitute with my iMac but that doesn't seem to be the case. Also, given the relative high horsepower of both my iMac and my iPad, there seems to be a significant amount of lag which makes interactions a bit too problematic. There's far more lag than one would expect using devices that have as much processing horsepower as both of these devices have especially with a direct USB connection. Update: Having just tried to use the Pro version, the screen size issue remains. While it is possible to pinch-zoom on the drawing in SketchBook, the tool panes remain tiny unlike Astropad, which not only zooms the drawing, it also zooms the tool panes as well. There is very significant and problematic lag as well. Gesture inputs from the iPad result in late and very jerky responses in my iMac. Given that this is a wired connection, the lag issue is inexcusable. In short, the app needs a great deal of work and improvement. more
Mar 17, 2020

By A Google user

Wanted to extend display of my work Windows computer to my personal Chromebook. I had to do a lot of fiddling back and forth between the two to get anything to show up on Chromebook for more than a second. Once I finally got it working, I was able to adjust resolution to a useful spot, but the laaagggggg makes it unusable for anything that isn't static. I can't imagine doing anything other than reading with it. I gave up. more

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Aug 10, 2022

By Jesse Martin-Alexander

Purchased this app to use my tablet (tab s7+) as a second monitor with my macbook pro. This is straight supported functionality according to all the documentation. The connection is unstable at best, even when using a wired USB connection. The mouse lags unpredictably, the display freezes in place arbitrarily, and the app is absolutely incapable of recovering if power management on the macbook kicks in. Support was unhelpful when contacted about this issue. Waste of money. more
Sooooo slow with updates Nov 26, 2017

By cHlwous07$

I use a windows 10 laptop along with an iPad Air 2. I’ve had issues with duet display disconnecting frequently while watching videos or surfing the web while using this app, but I just assumed that was due to my slow laptop. Fast forward to early Nov 2017, I got a new laptop with top of the line specs. It worked fine for a few days and then my laptop automatically installed the Creators update. After that, the app just got stuck in “Launching” for the longest time. I emailed tech support and they had me do all these silly things, and after all that they told me, “oh by the way, unfortunately our app is having some issues with the Creators update and so it won’t run right now. We are expecting a fix in a week.” First off, shouldn’t that have been the first thing to ask me instead of having me waste my time collecting “analytics” for the app? And then, to make matters worse, it has been over 2 weeks since the rep told me the fix would roll out in a week. I looked up when the Creators update was first released, and it has been almost 2 months! Does this mean that their engineers have been working diligently for 2 months on this and they still don’t have a fix? Either they are really incompetent or they just don’t care about their Windows 10 customers. Until they become more responsive with their Windows 10 updates, I would stay away from this app, for those of you not using an apple computer. more
Aug 7, 2020

By Chris Lewicki

Requires quite a bit of tweaking in order to run well, and absolutely shattered my previous monitor configuration on Windows 10, but after putting back everything that Duet broke, it works /fine/. There's about a quarter to half-second of lag in Duet Air when the host device is on a 1Gbit/sec Ethernet network and the client is on an 802.11AC network, which may or may not be acceptable to you. I use a Chromebook, which currently does not support Duet over USB (This is a Chrome OS limitation as far as I know, not Duet), so I cannot comment on its usability when wired in. For me, it's great for holding my chat programs and documentation while I keep my main, possibly more latency-sensitive, work on my main screen. I would most likely not recommend this if slight input latency on the client display is a dealbreaker for you, but otherwise it's serviceable. EDIT: I've dropped the score to 1 star. Over time, Duet has become worse and worse, to the point that there's anywhere between 2 to 8 seconds of lag when moving the mouse or typing on the secondary monitor provided by Duet. The Windows app is a complete mess and has a tendency to randomly lock my computer up for several seconds at a time, causing audio glitches, quite literally *halving* performance in games, causing microstutters every time I move the mouse. Truly an abhorrent app that I've given up on trying to bully into making work acceptably. more
Apr 19, 2021

By Jason Poage

If you want to use a Chromebook as the extra monitor, don't get it. Naturally, you can't connect via USB to a PC using a Chromebook (unless you get it set up for developer mode, which is a whole thing...). Followed directions to use it wirelessly, including allowing it through my firewall. App only shows either a black screen or a frozen desktop that I can't interact with. Disappointed. more
Too expensive for what it is Jul 1, 2019

By Anon565ut

This is a pretty useful app all things considered, being able to add on another monitor at a moments notice is pretty nice and it works great for programming. There’s minor bugs with scaling in windows but that’s more to do with windows than this app. The real issues are the subscriptions and performance. The subscription cost is not at all justified given the upfront price of the app. I made the mistake of assuming that a 15 dollar app would be good to go out of the box, but oh boy was I wrong. 15 dollars is already pretty steep but asking for 20 to 30 dollars on top of that just to fix latency with the pencil is exorbitant. The other problem is that performance is just bad. Forget running the iPad Pro at it’s native resolution and don’t even think about 120FPS. With pretty good hardware (i7 and a GTX 1050ti) there was significant lag just moving windows around the display. I’m well aware that a 1050ti is not the cream of the crop when it comes to GPUs, but it can easily push 4K in non GPU intensive workloads and should have no problem with the 11 inch pro display. These performance sacrifices would be fine if this was a 5 dollar app, but for what they’re asking I’m no longer will to settle and make sacrifices, if you’re going to charge for a premium service than I expect to receive a premium service. more
Aug 11, 2020

By f Chen

I bought and paid for this app as a final resort in the hopes that I could use my new tablet (Galaxy Tab S Lite) as an input device for my desktop. Unfortunately, I would like my money back less than 30 minutes after setup. The app is horrifically laggy, so much so that several seconds elapse between input and the desktop receiving them. Cable connection is unsupported, so there seems to be no chance of fixing the lag. The worst offense is that it does not even mirror my display correctly. All that is visible on my tablet when Duet is active is my desktop background and the taskbar. It doesn't matter what window is open on my PC, nothing changes on the tablet display, making the app completely and utterly useless. I have changed the driver for my graphics card, I have used every related line in the troubleshooting manual, and I have searched google with increasingly specific lines of text. Nothing has changed, so if someone could direct me to getting a refund on this app or at very least provide a solution to the main problem that has not been mentioned before, I would deeply appreciate it. more

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