DU Speed Booster & Antivirus is a speed booster, ram booster, game booster, junk file cleaner, trash cleaner, memory booster, battery optimizer and app manager for your Android phones or tablet.

Trusted by 230 million users, DU Speed Booster & Antivirus is the only all-in-one speed booster, trash cleaner and antivirus app that optimizes your background apps, memory space, junk(cache) files and battery power. While keeping your device safe from virus and trojan, that can secure your private data with the AppLock function.

Download this optimization and security app that's intuitively designed to protect your mobile lifestyle in just ONE tap.

Did you know hidden files use free space on your Android? With DU Speed Booster & Antivirus YOU CAN easily:

  • Kill unnecessary processes with ram optimizer
  • Scan and remove Junk: DU Speed Booster & Antivirus quickly examines storage space on your Android device and identifies all unnecessary data
  • One-tap to solve the CPU overheating problem
  • Uninstall a bulk of unnecessary applications in one tap to free up space
  • Create apps/games back up one by one or straight in high-volume
  • Transfer as many files to you SD card as you want in one click
  • Optimize battery life with battery optimizer
  • Trash Cleaner: Clean cash to free up space
  • Install/uninstall apps easily with APK manager - free battery optimizer for android
  • Newly launched trash cleaner for What's App, LINE and WeChat, to easily manage junk files
  • Introducing the Charging Screensaver, to booster the charging speed by 20%
  • Optimize your Android device and boost its speed with 1 tap Boost Cleaner
  • With Android app you'll receive effective, easy-to-use virus and malware protection, as well as a real-time app scanner, task killer, app locker and local device wipe to help shield you from threats to your privacy and online identity. Real-time security scanner protection keeps you protected from downloaded apps and games.

What's New

  • Revised Float Window for easier access to quick switch and other functions.
  • Improved App Cleaner scanning speed, so the scan completes in mere moments.