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dfndr security: antivirus, anti-hacking & cleaner

dfndr security: antivirus, anti-hacking & cleaner

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Get protection now from identity fraud, online scams, viruses and phone theft

4.4 Ratings 6M+ Reviews 100M+ Downloads

Ratings & Reviews

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  • Dec 25, 2021

    By Donald Townsend
    I've had Defender Security and Defender Performance for almost 5 years now, and it seems ok, but I cant get rid of the red circle with the #1 in it, and there is no way I can permanantly delete the app lock and the notification cleaner. My phone already comes with these! Its like trying to fly a B-52 with 2 different cockpits, one at each end! Its bound to mess up. If it wasnt for the excellent defender performance...I'd be gone from Defender.
  • Dec 29, 2021

    By christopher Willis
    This app is awesome! It found viruses on my phone that no other antivirus app recognized and fixed and deleted the viruses. Also keeps my phone running fast and helps keep the battery to where it lasts at Pete performance. Do yourself a favor and don't trust any other app I've been through all of them over the past 15 years. Also I recommend purchasing the premium version so there is no ads but if you want to see for yourself try the free version for a week and you'll see how awesome it is!
  • Jan 10, 2022

    By Elizabeth Buford
    Great app! Helped tremendously!! Just installed no joke and performance was just emaculate.. definitely recommend for anti virus beginners or for first time users.. definitely worth the time to download and install..very useful.. helped restore and provided added security for my device..
  • Nov 28, 2021

    By Nathan Hawkins
    One of the best security apps I've ever had in installed! Because I've recently been a victim of being hacked and humiliated, I wanted to find the security app that not only help to protect me and my devices, but also cleansed, optimized, as well as provide other services that helps to keep your devices running properly at all times. Some of the functions included are Wi-Fi security, memory boosting, app lock protection, and many more! Make sure you check out the whole family of defender apps!
  • Dec 30, 2021

    By Xander Curry
    Very good, app works great for stuffed up phones and tons of apps. So if your phone is cluttered up with apps and pictures etc. So i would definetlly this app. there are never any ads, seriously i got this app like 4-5 months ago and there are barely any ads at all this is a great app. 👍😄👍
  • Dec 26, 2021

    By William Staines Jr
    This app has been working pretty good far as I can tell except the only drawback is with the amount of ads your subjected to if you guys got rid of some it would be lot better.. still giving 5 stars as the app is performing great so far and the ads might be aggravating but they are not doing anything to mess up the apps performance.
  • Dec 19, 2021

    By Bill Whitsell
    So far, so great. Dfndr is indeed "secure" in every feature of the app. I feel very safe in that the app keeps watch on any possible invading malware or virus. I've had the app now for about a month and it's looking like a keeper for sure. I'll update this in the event that dfndr has to block and erase a viral attack or some such...but so far, YEAH! I do recommend it for an overall protection/performance app to guard and improve your phone's functionality. Later with a smile... .
  • Jan 3, 2022

    By Samuel Arrington
    I like this app but when i turn on the screen dimmer it wont let me use any apps. Because it allows the app to draw over other apps. Theres no way to use the dimmer without having it draw over apps. This was like the best thing about this app and i dont know what changed.
  • Dec 21, 2021

    By Aja Burke
    Edit: thank you. However, im aware of the notification's and turning them off. It's about the over abundance of ads inside the app, while I'm in a free trial or anyone for that matter . Should experience the paid for version and also know that after the trial period is over it returns to the free ads laced version. Honestly, that would be the better route and make so it cannot be redown loaded making it advertisement clear. Anyways, nuances aside the app is good and strong. Laters, friend.
  • Dec 23, 2021

    By Roberto Rodriguez
    The app is excellent it dose so much more than it's competitor's their are so many options to help keep your phone in top shape and running properly and that's just the free options their are a lot of adds but it's so worth it the paid option adds more options to keep you safe not only on your device but in life you absolutely have to try this app you won't regret it 👌#️⃣☝️
  • Dec 25, 2021

    By Donald Townsend
    I've had Defender Security and Defender Performance for almost 5 years now, and it seems ok, but I cant get rid of the red circle with the #1 in it, and there is no way I can permanantly delete the app lock and the notification cleaner. My phone already comes with these! Its like trying to fly a B-52 with 2 different cockpits, one at each end! Its bound to mess up. If it wasnt for the excellent defender performance...I'd be gone from Defender.
  • Dec 29, 2021

    By christopher Willis
    This app is awesome! It found viruses on my phone that no other antivirus app recognized and fixed and deleted the viruses. Also keeps my phone running fast and helps keep the battery to where it lasts at Pete performance. Do yourself a favor and don't trust any other app I've been through all of them over the past 15 years. Also I recommend purchasing the premium version so there is no ads but if you want to see for yourself try the free version for a week and you'll see how awesome it is!
  • Jan 10, 2022

    By Elizabeth Buford
    Great app! Helped tremendously!! Just installed no joke and performance was just emaculate.. definitely recommend for anti virus beginners or for first time users.. definitely worth the time to download and install..very useful.. helped restore and provided added security for my device..
  • Nov 28, 2021

    By Nathan Hawkins
    One of the best security apps I've ever had in installed! Because I've recently been a victim of being hacked and humiliated, I wanted to find the security app that not only help to protect me and my devices, but also cleansed, optimized, as well as provide other services that helps to keep your devices running properly at all times. Some of the functions included are Wi-Fi security, memory boosting, app lock protection, and many more! Make sure you check out the whole family of defender apps!
  • Dec 30, 2021

    By Xander Curry
    Very good, app works great for stuffed up phones and tons of apps. So if your phone is cluttered up with apps and pictures etc. So i would definetlly this app. there are never any ads, seriously i got this app like 4-5 months ago and there are barely any ads at all this is a great app. 👍😄👍
  • Dec 26, 2021

    By William Staines Jr
    This app has been working pretty good far as I can tell except the only drawback is with the amount of ads your subjected to if you guys got rid of some it would be lot better.. still giving 5 stars as the app is performing great so far and the ads might be aggravating but they are not doing anything to mess up the apps performance.
  • Dec 19, 2021

    By Bill Whitsell
    So far, so great. Dfndr is indeed "secure" in every feature of the app. I feel very safe in that the app keeps watch on any possible invading malware or virus. I've had the app now for about a month and it's looking like a keeper for sure. I'll update this in the event that dfndr has to block and erase a viral attack or some such...but so far, YEAH! I do recommend it for an overall protection/performance app to guard and improve your phone's functionality. Later with a smile... .
  • Jan 3, 2022

    By Samuel Arrington
    I like this app but when i turn on the screen dimmer it wont let me use any apps. Because it allows the app to draw over other apps. Theres no way to use the dimmer without having it draw over apps. This was like the best thing about this app and i dont know what changed.
  • Dec 21, 2021

    By Aja Burke
    Edit: thank you. However, im aware of the notification's and turning them off. It's about the over abundance of ads inside the app, while I'm in a free trial or anyone for that matter . Should experience the paid for version and also know that after the trial period is over it returns to the free ads laced version. Honestly, that would be the better route and make so it cannot be redown loaded making it advertisement clear. Anyways, nuances aside the app is good and strong. Laters, friend.
  • Dec 23, 2021

    By Roberto Rodriguez
    The app is excellent it dose so much more than it's competitor's their are so many options to help keep your phone in top shape and running properly and that's just the free options their are a lot of adds but it's so worth it the paid option adds more options to keep you safe not only on your device but in life you absolutely have to try this app you won't regret it 👌#️⃣☝️
  • Jan 10, 2022

    By Chris Blanks
    (This app is harmful to your phone)After a pop up add forced me to download this app I couldn't get out of the pop up add this app has made my phone not work correctly I have to force close apps or it just locks up and I have to reboot my system my internet has the worst lag iv ever had before downloading this app I didn't have any issues 0 stars
  • Jan 12, 2022

    By Otis Driftwood
    Several notifications per hour doesn't matter if I'm using the device or not ? Just as much as maintenance as possible to throw ads in our face.. regardless if action is needed. While using various apps I'm expected to just drop whatever I'm doing so I can devote my existence to maintain your app ? Quite strange that this app is for system security and antivirus but your ads are different apps that do the same thing ? Doesn't that affect your purpose? Way to use your brain guys...pfft
  • Dec 25, 2021

    By Alexa Gray
    I need more info and I'm a bit annoyed with all the adds. Also, I don't see why we have to pay so high of a bill each time it runs out. You could use that money to buy a new phone or even something else within months. Also if it was true that I had some type of threat it would show up on my other phone protection app.
  • Jan 11, 2022

    By Laura Bouchard
    It overwhelms with ads and won't stop with the constant adds, I just want to watch something on a website but can't without an ad to this annoyance popping up, it may help slightly

No reviews available

No reviews available

  • Dec 29, 2021

    By christopher Willis
    This app is awesome! It found viruses on my phone that no other antivirus app recognized and fixed and deleted the viruses. Also keeps my phone running fast and helps keep the battery to where it lasts at Pete performance. Do yourself a favor and don't trust any other app I've been through all of them over the past 15 years. Also I recommend purchasing the premium version so there is no ads but if you want to see for yourself try the free version for a week and you'll see how awesome it is!
  • Jan 10, 2022

    By Elizabeth Buford
    Great app! Helped tremendously!! Just installed no joke and performance was just emaculate.. definitely recommend for anti virus beginners or for first time users.. definitely worth the time to download and install..very useful.. helped restore and provided added security for my device..
  • Nov 28, 2021

    By Nathan Hawkins
    One of the best security apps I've ever had in installed! Because I've recently been a victim of being hacked and humiliated, I wanted to find the security app that not only help to protect me and my devices, but also cleansed, optimized, as well as provide other services that helps to keep your devices running properly at all times. Some of the functions included are Wi-Fi security, memory boosting, app lock protection, and many more! Make sure you check out the whole family of defender apps!
  • Dec 30, 2021

    By Xander Curry
    Very good, app works great for stuffed up phones and tons of apps. So if your phone is cluttered up with apps and pictures etc. So i would definetlly this app. there are never any ads, seriously i got this app like 4-5 months ago and there are barely any ads at all this is a great app. 👍😄👍
  • Dec 26, 2021

    By William Staines Jr
    This app has been working pretty good far as I can tell except the only drawback is with the amount of ads your subjected to if you guys got rid of some it would be lot better.. still giving 5 stars as the app is performing great so far and the ads might be aggravating but they are not doing anything to mess up the apps performance.
  • Dec 19, 2021

    By Bill Whitsell
    So far, so great. Dfndr is indeed "secure" in every feature of the app. I feel very safe in that the app keeps watch on any possible invading malware or virus. I've had the app now for about a month and it's looking like a keeper for sure. I'll update this in the event that dfndr has to block and erase a viral attack or some such...but so far, YEAH! I do recommend it for an overall protection/performance app to guard and improve your phone's functionality. Later with a smile... .
  • Dec 23, 2021

    By Roberto Rodriguez
    The app is excellent it dose so much more than it's competitor's their are so many options to help keep your phone in top shape and running properly and that's just the free options their are a lot of adds but it's so worth it the paid option adds more options to keep you safe not only on your device but in life you absolutely have to try this app you won't regret it 👌#️⃣☝️
  • Nov 19, 2021

    By Mr. Nubaid Rahman
    This app is awesome and I downloaded it after I went nuts with the scams and messages saying "your phone has a virus". This app was recommended to me by Psafe Before I had this app, I got scam messages every 5 minutes. my phone froze every 5 minutes. But after I got the app, The memories booster, the quick cleaner, And some other things. It kept me safe from hacking and phising. So there is nothing I can recommend to fix this app. Seven words : it is the best app for security
  • Dec 8, 2021

    By Sherrie Kuhn
    Only one issue is the fact that it's not quite fixing the problems yet. What I mean is I'm having to do scanning about every few hrs all day long. Plus. I need the ads on my games so I can collect points, cash, ect. Believe me I hate the ads having to watch them but again it's for Amazon gift cards, prizes, ect. PS. Oh ya and dfndr security, is a free app 😳😁😊
  • Dec 30, 2021

    By Stonk S
    I don't like to talk so ill make this as short as I can the app works as its intended to, I haven't used it for long but from what I have been able to see its working there are adds yes but most are interactive and are manly short I will continue to use it but if it fails to do what its meant to do I will delete it which I highly doubt Thank you for your time have a lovely day
  • Dec 25, 2021

    By Donald Townsend
    I've had Defender Security and Defender Performance for almost 5 years now, and it seems ok, but I cant get rid of the red circle with the #1 in it, and there is no way I can permanantly delete the app lock and the notification cleaner. My phone already comes with these! Its like trying to fly a B-52 with 2 different cockpits, one at each end! Its bound to mess up. If it wasnt for the excellent defender performance...I'd be gone from Defender.
  • Jan 3, 2022

    By Samuel Arrington
    I like this app but when i turn on the screen dimmer it wont let me use any apps. Because it allows the app to draw over other apps. Theres no way to use the dimmer without having it draw over apps. This was like the best thing about this app and i dont know what changed.
  • Dec 21, 2021

    By Aja Burke
    Edit: thank you. However, im aware of the notification's and turning them off. It's about the over abundance of ads inside the app, while I'm in a free trial or anyone for that matter . Should experience the paid for version and also know that after the trial period is over it returns to the free ads laced version. Honestly, that would be the better route and make so it cannot be redown loaded making it advertisement clear. Anyways, nuances aside the app is good and strong. Laters, friend.
  • Dec 25, 2021

    By Alexa Gray
    I need more info and I'm a bit annoyed with all the adds. Also, I don't see why we have to pay so high of a bill each time it runs out. You could use that money to buy a new phone or even something else within months. Also if it was true that I had some type of threat it would show up on my other phone protection app.
  • Jan 10, 2022

    By Chris Blanks
    (This app is harmful to your phone)After a pop up add forced me to download this app I couldn't get out of the pop up add this app has made my phone not work correctly I have to force close apps or it just locks up and I have to reboot my system my internet has the worst lag iv ever had before downloading this app I didn't have any issues 0 stars
  • Jan 12, 2022

    By Otis Driftwood
    Several notifications per hour doesn't matter if I'm using the device or not ? Just as much as maintenance as possible to throw ads in our face.. regardless if action is needed. While using various apps I'm expected to just drop whatever I'm doing so I can devote my existence to maintain your app ? Quite strange that this app is for system security and antivirus but your ads are different apps that do the same thing ? Doesn't that affect your purpose? Way to use your brain guys...pfft
  • Jan 11, 2022

    By Laura Bouchard
    It overwhelms with ads and won't stop with the constant adds, I just want to watch something on a website but can't without an ad to this annoyance popping up, it may help slightly

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