iMyfone Umate Pro - iPhone Cleaner, Free up iPhone space, iPhone Eraser,

It is a handy program to free up tons of storage by securely cleaning junk files, clearing temporary files, compressing photo losslessly, deleting large files and managing apps. Moreover, it can erase private data on your iPhone permanently with no possibility to recover, when you want to sell your old iPhone, or want to protect your privacy. Both Window and Mac are compatible.