Ultimate Booster is an Android app developed by TJMobile, available for free in the Utilities & Tools category. This app is designed to manage your phone's performance and clean junk and caches to free up storage space.

With Ultimate Booster, users can easily optimize their device's performance, remove unwanted files and speed up their phone. The app is user-friendly and has a simple interface that makes it easy to use. It scans your device for unnecessary files, including cache and residual files, and helps to delete them with just one tap.

Additionally, Ultimate Booster offers a variety of features that can help you to manage your phone's storage, such as a file manager and app manager. In the process of continuous optimization iteration, the developers encourage users to leave feedback or contact them through email, so they can continue to improve the app.

Overall, Ultimate Booster is a useful tool for anyone looking to improve their phone's performance and free up storage space.