CM Security Lite Review. Complete Device Protection Both On and Offline

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This antivirus APK get from Cheetah Mobile protects your Android mobile from vulnerabilities brought about by viruses, adware, malware, hacking tools and other phone problems while leveraging on low space and low power consumption.


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The app design is simple yet sleek, and rates at a 4/5 for me. The dominant blue graphics look nice on the app and give it an overall positive feel. There’s a big scan button in the middle of the viewing area. You’ll see issues that have been detected and an option to resolve these issues on one page. On the device, you can see your protection status and the last scan date for both malware, virus, adware and browser hack tools.


I give this a rating of 4/5 for functionality because I’ve probably used more efficient antivirus apps. The app is the lightest possible, with its installation package as small as 1.28 MB. The developers credit the app as ‘having been developed for phones with memories less than 1 GB,’ and this is one of the reasons why unlike other AV programs, this one doesn’t drag your device down. The app is powered by a local CM cloud engine, and fixes local system failures and vulnerabilities, scanning new websites, files, and even your external SD cards.

Being lightweight, the app takes only a portion of the time taken by other AV apps to probe your system. You can schedule scans and check apps in real-time before and after you getthem. You’ll also get a ‘safe browser’ which is a private browser, unlike the conventional web protection.

The last update in January 2018 offered a few bug fixes. The app is free to get, and there are no in-app purchases that I came across. This is an app for all Android devices running Android 2.3 or higher. There is no iOS version for the app.

Ease of Use

I give the app a 5/5 for simplicity. The app is really to use, and the large scan button is as intuitive as it gets. The options are well-displayed, and you can choose the type of scan that you need.

You can easily schedule a scan either for a day, week or a month. The settings are quite simple to understand. The app takes up very little phone memory and doesn’t slow down your phone.


  • No ads;
  • APK is light on memory;
  • Simple, minimalist design.


  • Browser protection isn’t quite secure;
  • The Malware definitions on this app aren’t too reliable, even with the latest version;
  • Doesn’t recognize some apps blacklisted as viruses on other AVs;
  • No iOS version therefore not available for everyone.

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