A one-stop-shop for cleaning, optimising and protecting your device
Android 4.3 / Android 4.2.2 / Android 4.2.1 / Android 4.2 / Android 4.1.2 / Android 4.1.1 / Android 4.1 / Android 4.0 / Android 3.3 / Android 3.2 / Android 3.1 / Android 3.0 / Android 2.3 / Android 2.2 / Android 2.1
DU Speed Booster (Cleaner) allows you to optimize the performance of your device and free space for storing files. It’s a very easy to use app, of an excellent quality, and it’s completely free.
Make the most of your Android device
DU Speed Booster (Cleaner) has got a ton of useful features, which are divided into several categories that can be accessed from the main user interface.
The Accelerator option allows you to quickly start an optimization process, freeing up RAM on your device. You can also see the list of applications that are currently running, and disable any you consider unnecessary.