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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

4.5 Ratings 6M+ Reviews 100M+ Downloads

Ratings & Reviews

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  • Oct 16, 2021

    By Charles Berry
    Very easy to use. The app always reminds me when it's time to run a security test and, close apps causing battery usage. It boosts memory,several more advantages and its all automatic. The app tells me what's needed all I have to do is tap a button. Sometimes it's automatic and, I don't have to do anything. It just keeps my mobile phone clean and safe all the time.
  • Oct 21, 2021

    By Brandy Crisolis
    Well my experience came as a surprise when somehow an app or malware was detected and this app came out of nowhere and I installed it and so far it's been doing a good job cleaning up my files and my phone and storage space but I'm not sure that I like how this app kind of stumbled up on my phone out of nowhere and made this like horrendous piercing sharp noise that wouldn't stop until I restarted my phone kept on saying that I had a virus so I mean yeah that to me kind of seems suspicious
  • Oct 23, 2021

    By Abigail Whitehead
    Used until it went nuts on my tablet and smartphone. Just kept crashing so I uninstalled it. I did work with dfndr staff but couldn't find a way to make it work.It was a good app, but seems incompatible with my devices.
  • Oct 10, 2021

    By Kimberly Creekmore
    I am glad I found this app. It saved my phone. In the past I've had a hard time getting my phone to charge and with it overheating. Now the app helps charge it faster and will cool it down.
  • Oct 14, 2021

    By Shinshara Hanbe
    My first time to encounter as good as this application. Now my long time problem about my phone has come to end. This app is certainly successful. Congratulations 👏
  • Oct 10, 2021

    By Dan Garrett
    Easy easy easy compared to others defender stands alone as being more prompt and reliable at crunch te I had a virus my phone was suffering and other apps were not taking care of my problem I went to defender and I updated app and bam virus all gone thank you defender your the best out there keep up the good work
  • Oct 18, 2021

    By connor plays!
    This is a very good app and cleans storage it scanes all your apps for viruses and a lot of fetures and also it tells u your phones temp and ram wich is very cool and helps my phone!!!! :)
  • Oct 9, 2021

    By Dandavats Dasa
    Need help with spies & Hacking. Websites forcing Chrome to open turning screen on. WiFi theft feature does not seem adequate. Had to install a different application to discern Wifi theft as well as blocking the intruder. Should offer a perpetual block for repeat offenders. Quick clean taking too much time. What about deep cleaning? Thank you
  • Oct 5, 2021

    By identity theft victim
    It's going to turn your device into a billboard trust me! I started out free to try & I found myself defending my ground against the ads.
  • Oct 16, 2021

    By Margi Mackowski-Seif
    Have had Lookout for years and have been more than pleased with it. This was, basically, forced on me ( sort of like a mandate ) and I hate it! I have to sign in on EVERYTHING and it won't allow me to use Duck Duck Go which I have used for years without a problem. It consistently interferes with the flow of my searches. I have had this app for less than 24 hours and am already sick to death with it.
  • Oct 16, 2021

    By Charles Berry
    Very easy to use. The app always reminds me when it's time to run a security test and, close apps causing battery usage. It boosts memory,several more advantages and its all automatic. The app tells me what's needed all I have to do is tap a button. Sometimes it's automatic and, I don't have to do anything. It just keeps my mobile phone clean and safe all the time.
  • Oct 21, 2021

    By Brandy Crisolis
    Well my experience came as a surprise when somehow an app or malware was detected and this app came out of nowhere and I installed it and so far it's been doing a good job cleaning up my files and my phone and storage space but I'm not sure that I like how this app kind of stumbled up on my phone out of nowhere and made this like horrendous piercing sharp noise that wouldn't stop until I restarted my phone kept on saying that I had a virus so I mean yeah that to me kind of seems suspicious
  • Oct 23, 2021

    By Abigail Whitehead
    Used until it went nuts on my tablet and smartphone. Just kept crashing so I uninstalled it. I did work with dfndr staff but couldn't find a way to make it work.It was a good app, but seems incompatible with my devices.
  • Oct 10, 2021

    By Kimberly Creekmore
    I am glad I found this app. It saved my phone. In the past I've had a hard time getting my phone to charge and with it overheating. Now the app helps charge it faster and will cool it down.
  • Oct 14, 2021

    By Shinshara Hanbe
    My first time to encounter as good as this application. Now my long time problem about my phone has come to end. This app is certainly successful. Congratulations 👏
  • Oct 10, 2021

    By Dan Garrett
    Easy easy easy compared to others defender stands alone as being more prompt and reliable at crunch te I had a virus my phone was suffering and other apps were not taking care of my problem I went to defender and I updated app and bam virus all gone thank you defender your the best out there keep up the good work
  • Oct 18, 2021

    By connor plays!
    This is a very good app and cleans storage it scanes all your apps for viruses and a lot of fetures and also it tells u your phones temp and ram wich is very cool and helps my phone!!!! :)
  • Oct 9, 2021

    By Dandavats Dasa
    Need help with spies & Hacking. Websites forcing Chrome to open turning screen on. WiFi theft feature does not seem adequate. Had to install a different application to discern Wifi theft as well as blocking the intruder. Should offer a perpetual block for repeat offenders. Quick clean taking too much time. What about deep cleaning? Thank you
  • Oct 5, 2021

    By identity theft victim
    It's going to turn your device into a billboard trust me! I started out free to try & I found myself defending my ground against the ads.
  • Oct 16, 2021

    By Margi Mackowski-Seif
    Have had Lookout for years and have been more than pleased with it. This was, basically, forced on me ( sort of like a mandate ) and I hate it! I have to sign in on EVERYTHING and it won't allow me to use Duck Duck Go which I have used for years without a problem. It consistently interferes with the flow of my searches. I have had this app for less than 24 hours and am already sick to death with it.
  • Oct 12, 2021

    By Anime fan002
    I thought it would be a good idea to have some protection on my devices, but no, this is just as much as a bug than anything else. I never recieved spams before up until now. And I've been recieving some bad emails that I don't even have to explain. One coming from a bad website, and then there's always these stupid messages saying I have a "bug", even when there isn't. Nah man, I think the chances are that you are putting in bugs on my device, and I'm not putting up with it. Just what the hell?
  • Oct 24, 2021

    By Mary Racioppi/Howe
    This game takes your coins-money and time. It does the ads and then you need ti start over again from the start of level. I had several times where i had 5-8 mins left and it said out if time. Its all rigged to take what they. You push to continue and they take the coins and start you all over. This game use to relax me now its the worst aggravating thing in my entire life. Its pathetic! Whoever developed this ougt to be ashamed. They took money and never reimbursed me either. THEIVES!
  • Oct 15, 2021

    By David M
    Gee, I'd love to be able to rate this app based on how well its core services work, BUT THATS FRIGGIN IMPOSSIBLE BECAUSE IM BURRIED IN POP UP ADS. I'm not kidding, I've never seen anything quite like it, they just WILL...... NOT....... STOP. Hey, I'm all for making money and I understand there ain't no such thing as a free lunch, but come on, how can I use the app when I literally (and I know what that word means) CANT SEE THE INFORMATION that's being cock-blocked by all the damn ads.
  • Oct 13, 2021

    By Angela Walton
    App keeps stopping and I pay for Ultra Premium subscriptions. Have used for years and have never had so many problems as I have in the last year. I thought they had fixed it awhile back but over the last 4 months I can't even use it. I suggest DFNDR PERFORMANCE IT DOESN'T CRASH AT LEAST YET.
  • Oct 21, 2021

    By Marques Harjo
    Just another app to make money off the things you search like everything else it always says free but you. Still gotta pay it's bs and a scam so honestly no star ⭐ just another rip like everything else that "helps" keep your phone clean for "freeee"
  • Oct 20, 2021

    By Synikal
    This shady app developer uses disgusting tactics to get electronic device illiterate people to install the app out of fear. What am I taking about, you may ask? Here's how I stumbled upon it. While browsing the internet as I do, some bogus pop-up appeared that said: "Attention! You must update your mobile cleaner now or your phone may be locked within 1 day." Regardless of if you hit "OK", "Cancel", or hit the back button, it redirects the user to this app on the play store. Absolutely nasty.
  • Oct 24, 2021

    By Kenneth Wagner
    It is just as bad as a bug. I have spent 2 days trying to unsubscribe on a 3 day trial and cannot. They will take my $30 and I can't stop them. I WANT TO UNSUBSCRIBE!!!
  • Oct 14, 2021

    By Norman Johnson
    Every time I hear the beeping noise if I hit the clean button it goes to this app which I already have and wants me to buy again? What's up with this,,?
  • Oct 22, 2021

    By Douglas Butterman
    Accidently hit this app. Locked up my phone! Fake Virus alert, Cant find menue, cancel subscription/remove app/? Fake app ? To many adds to upgraded products.

No reviews available

No reviews available

  • Oct 16, 2021

    By Charles Berry
    Very easy to use. The app always reminds me when it's time to run a security test and, close apps causing battery usage. It boosts memory,several more advantages and its all automatic. The app tells me what's needed all I have to do is tap a button. Sometimes it's automatic and, I don't have to do anything. It just keeps my mobile phone clean and safe all the time.
  • Oct 21, 2021

    By Brandy Crisolis
    Well my experience came as a surprise when somehow an app or malware was detected and this app came out of nowhere and I installed it and so far it's been doing a good job cleaning up my files and my phone and storage space but I'm not sure that I like how this app kind of stumbled up on my phone out of nowhere and made this like horrendous piercing sharp noise that wouldn't stop until I restarted my phone kept on saying that I had a virus so I mean yeah that to me kind of seems suspicious
  • Oct 10, 2021

    By Kimberly Creekmore
    I am glad I found this app. It saved my phone. In the past I've had a hard time getting my phone to charge and with it overheating. Now the app helps charge it faster and will cool it down.
  • Oct 14, 2021

    By Shinshara Hanbe
    My first time to encounter as good as this application. Now my long time problem about my phone has come to end. This app is certainly successful. Congratulations 👏
  • Oct 10, 2021

    By Dan Garrett
    Easy easy easy compared to others defender stands alone as being more prompt and reliable at crunch te I had a virus my phone was suffering and other apps were not taking care of my problem I went to defender and I updated app and bam virus all gone thank you defender your the best out there keep up the good work
  • Oct 18, 2021

    By connor plays!
    This is a very good app and cleans storage it scanes all your apps for viruses and a lot of fetures and also it tells u your phones temp and ram wich is very cool and helps my phone!!!! :)
  • Oct 9, 2021

    By Dandavats Dasa
    Need help with spies & Hacking. Websites forcing Chrome to open turning screen on. WiFi theft feature does not seem adequate. Had to install a different application to discern Wifi theft as well as blocking the intruder. Should offer a perpetual block for repeat offenders. Quick clean taking too much time. What about deep cleaning? Thank you

No reviews available

  • Oct 23, 2021

    By Abigail Whitehead
    Used until it went nuts on my tablet and smartphone. Just kept crashing so I uninstalled it. I did work with dfndr staff but couldn't find a way to make it work.It was a good app, but seems incompatible with my devices.
  • Oct 5, 2021

    By identity theft victim
    It's going to turn your device into a billboard trust me! I started out free to try & I found myself defending my ground against the ads.

No reviews available

  • Oct 16, 2021

    By Margi Mackowski-Seif
    Have had Lookout for years and have been more than pleased with it. This was, basically, forced on me ( sort of like a mandate ) and I hate it! I have to sign in on EVERYTHING and it won't allow me to use Duck Duck Go which I have used for years without a problem. It consistently interferes with the flow of my searches. I have had this app for less than 24 hours and am already sick to death with it.
  • Oct 12, 2021

    By Anime fan002
    I thought it would be a good idea to have some protection on my devices, but no, this is just as much as a bug than anything else. I never recieved spams before up until now. And I've been recieving some bad emails that I don't even have to explain. One coming from a bad website, and then there's always these stupid messages saying I have a "bug", even when there isn't. Nah man, I think the chances are that you are putting in bugs on my device, and I'm not putting up with it. Just what the hell?
  • Oct 24, 2021

    By Mary Racioppi/Howe
    This game takes your coins-money and time. It does the ads and then you need ti start over again from the start of level. I had several times where i had 5-8 mins left and it said out if time. Its all rigged to take what they. You push to continue and they take the coins and start you all over. This game use to relax me now its the worst aggravating thing in my entire life. Its pathetic! Whoever developed this ougt to be ashamed. They took money and never reimbursed me either. THEIVES!
  • Oct 15, 2021

    By David M
    Gee, I'd love to be able to rate this app based on how well its core services work, BUT THATS FRIGGIN IMPOSSIBLE BECAUSE IM BURRIED IN POP UP ADS. I'm not kidding, I've never seen anything quite like it, they just WILL...... NOT....... STOP. Hey, I'm all for making money and I understand there ain't no such thing as a free lunch, but come on, how can I use the app when I literally (and I know what that word means) CANT SEE THE INFORMATION that's being cock-blocked by all the damn ads.
  • Oct 13, 2021

    By Angela Walton
    App keeps stopping and I pay for Ultra Premium subscriptions. Have used for years and have never had so many problems as I have in the last year. I thought they had fixed it awhile back but over the last 4 months I can't even use it. I suggest DFNDR PERFORMANCE IT DOESN'T CRASH AT LEAST YET.
  • Oct 21, 2021

    By Marques Harjo
    Just another app to make money off the things you search like everything else it always says free but you. Still gotta pay it's bs and a scam so honestly no star ⭐ just another rip like everything else that "helps" keep your phone clean for "freeee"
  • Oct 20, 2021

    By Synikal
    This shady app developer uses disgusting tactics to get electronic device illiterate people to install the app out of fear. What am I taking about, you may ask? Here's how I stumbled upon it. While browsing the internet as I do, some bogus pop-up appeared that said: "Attention! You must update your mobile cleaner now or your phone may be locked within 1 day." Regardless of if you hit "OK", "Cancel", or hit the back button, it redirects the user to this app on the play store. Absolutely nasty.
  • Oct 24, 2021

    By Kenneth Wagner
    It is just as bad as a bug. I have spent 2 days trying to unsubscribe on a 3 day trial and cannot. They will take my $30 and I can't stop them. I WANT TO UNSUBSCRIBE!!!
  • Oct 14, 2021

    By Norman Johnson
    Every time I hear the beeping noise if I hit the clean button it goes to this app which I already have and wants me to buy again? What's up with this,,?
  • Oct 22, 2021

    By Douglas Butterman
    Accidently hit this app. Locked up my phone! Fake Virus alert, Cant find menue, cancel subscription/remove app/? Fake app ? To many adds to upgraded products.

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