Phone Cleaner - Master Clean is a free Android app developed by Planets App. As the name suggests, this app helps keep your phone clean by removing junk files, large files, and duplicate screenshots/photos. It also has a battery monitor to help you keep track of your phone's battery life.

One of the standout features of Phone Cleaner is its ability to find and remove large files that may be taking up valuable space on your phone. This can be especially helpful for those who take a lot of photos or videos. Additionally, the app allows you to manage your apps, making it easy to uninstall or disable any apps that you no longer need.

Overall, Phone Cleaner - Master Clean is a useful tool for those looking to keep their phone running smoothly. It's easy to use and provides a variety of features to help optimize your phone's performance.