Android Cleaner - Android Cleaner – Phone Booster and Memory Optimizer is a powerful and effective app to optimize your device’s performance.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.
Duplicate Cleaner - Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Over 1 million downloads: Get your copy now! Free and Pro versions available.
Files by Google - A file management app that helps you free up space, find files faster, share files offline, and back up files to the cloud.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.