The World's Most Trusted Android
Optimizer, Speed Booster, Battery
Saver and Free Anti-Virus app, Clean
Master Helps Accelerate and Clean Up Over 660 Million Phones! It Also Provides Real-time Protection With the #1 Antivirus
Engine, and Secures Your Private Data With the AppLock
Have you ever encounter the following problems?
Your device has become laggy and freezes all the time
You don't have enough space to take more pictures or install apps
Your battery has started draining quicker than ever
Your device overheats and needs to cool down
You want to lock your photos, gallery and messages from prying eyes and nosy friends
► JUNK FILE CLEANING
The junk-creating behavior of millions of apps has been analyzed so that Clean Master can efficiently hone in on its targets (cache and residual files) with perfect accuracy. Delete cache and residual files to reclaim storage, boost speed and improve the performance of your device and SD card
► MEMORY BOOST
Boost your games and apps, free up memory (RAM), speed up your device and save more battery. Our 1 Tap Boost and Game Boost features make it easy to optimize directly from your homescreen.
► Game Booster
Automatically improve your game speeds by 30%+ when launching games.
► CPU COOLER
Cool off your device by finding and stopping the apps that are causing it to overheat and make your battery last longer!
Ranked #1 by AV-TEST for the seventh time! A professional quality antivirus service scans devices in just 8 seconds, 500% faster than other paid antivirus apps. Scan the system, pre-installed and user-installed apps to keep your device safe from viruses, trojans, vulnerabilities, adware and spyware. Keep your privacy safe by scrubbing personal info from your device.
AppLock can lock Facebook, SMS, Contacts
, Gallery, or any other apps you choose. With AppLock, only you can see the photos you protect. Guarding your privacy is easier than ever!
► Battery Saver
Battery Saver help to analyze battery status and hiberate running apps to save power. With Battery Saver, you can stop apps that waste lots of power and extend your battery life in 1 tap.
iSwipe gives you quick access to other apps and tools without having to go back to your homescreen.
► APP MANAGER
Uninstall unwanted apps or bloatware and back up important ones. Some rooted devices will be able to move apps to the SD card as well as uninstall pre-installed and system apps. Our own Picks section lets you find useful apps that match your interests.
► Autostart Manager
Prevent apps from autostarting to speed up your device. (Root needed for this feature)
Help fight against deceptive ads
Cheetah Mobile (formerly KS Mobile) is committed to fighting against misleading downloads. You can find our full official policy on this matter here: http://www.cmcm.com/about/promotion-policy.html