Clean Master - Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads around the world?
IceCream - Free up space fast and never miss a moment again
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Cisdem iPhoneCleaner - Safe iPhone cleaner to clean iPhone, iPad, iPod touch junks to free up space and backup iPhone Mac.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
iMyfone Umate - iMyfone Umate is an iPhone space saver which helps iPhone/iPad/iPod touch users free up iPhone...