DU Speed Booster New Cooler, Trash Cleaner, app lock, battery saver free?
DU Cache Cleaner - DU Speed Booster & Cleaner
Updated Layout.
Improved security features.
Updated Device layout.
Still in progress to update & improve our user security.



DU Speed Booster（ App lock Battery saver & Junk Cleaner）Highlights：



► Junk File Cleaner - Small yet powerful cleaner master, Improve performance by intelligently scan the junk files. Such as residual files, cache, temp files, obsolete apks and other big files.space saver Free up space.


► Apps Manager - Scan and clean redundant APK files
Smart Task Manager transfer apps, games or files, move to SD card easily without scrolling from one screen to another one! App Manager for moving internal storage apps to external SD card will give you a lot of free space on your tablet or smart phone.

► AppLock - Guarding your privacy is easier than ever
The fastest & safest applock for android in the world; Security tool, easy to reset password.
Prevent others from accessing your important private apps such as Facebook, Instagram, SMS, Gallery and so on.


► Battery Saver
Display charge status in real time, accurately estimating remaining charge time.
Display notifications on the screensaver to never miss friends' messages.


Our Updated security features are coming soon.
We are always busy to improve it as possible.

Team Du Speed Booster