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.
Android Cleaner - Android Cleaner – Phone Booster and Memory Optimizer is a powerful and effective app to optimize your device’s performance.
iMyfone Umate - iMyfone Umate is an iPhone space saver which helps iPhone/iPad/iPod touch users free up iPhone...
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.
IceCream - Free up space fast and never miss a moment again
Dupdrop - Dupdrop – Duplicate File Remover is an Android tool created and published by Alexander Brunner.