PhoneClean - PhoneClean is the best and even free iPhone cleaner software for all your iPhone cleaning, maintaining and privacy protecting needs. It brings you the new iPhone, iPad experience that you will appreciate every day.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.
PhoneExpander - Mac app that frees up storage on your iOS devices
PhotoSweeper - PhotoSweeper helps photographers get rid of tones similar photos on OS X.
Macgo iPhone Cleaner - Macgo iPhone Cleaner is an excellent iOS cleaner tool.
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.