Free—clean up system trash files (caches), extend SD card storage, and solve your lack of disk space. Plus free Speed Booster for Android Phones.

Have you ever encountered the following problems?
1. System garbage causes the phone to run slowly and app garbage eats up your internal storage.
2. No more space is available for new photos or apps.
3. Your phone is running crazily slow.
All these situations need a clean-up tool, such as a phone booster, junk remover, etc.

Highlights of DU Cleaner (Boost & Clear Cache):
► Ultra-small size
Making it much smaller than similar apps on Google Play.
► Extremely focused
Performs the most comprehensive trash-cleaning to save you more phone space;
► Intelligent analysis
Using our new intelligent analysis engine, DU Cleaner (Boost & Clear Cache) deletes what you want to remove, leaves what you think is useful, and never loses your good memories.

Features of DU Cleaner (Boost & Clear Cache):
► Clean Up & Junk File Cleaning
The junk-creating behavior of millions of apps has been analyzed so that DU Cleaner (Boost & Clear Cache) 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 features make it easy to optimize directly from your homescreen.
► Useless APKs
Find and delete useless APKs on your phone to free up more storage space.
► Residual Files
Clear up residual data from previously uninstalled applications.

The World's Most Trusted Android Optimizer, Speed Booster, and trash-cleaning app; DU Cleaner & Speed Booster is a FREE app that can help clean redundant apps and files, free up storage space, clean up your RAM, and speed up your Android device.

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Recent changes:
1.Optimized stability and enhanced the user experience.
2.Bugs fixed.