Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
DU Speed Booster - DU Speed Booster is an essential Android app to accelerate phone speed, clean up junk files...
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
SD Maid - SD Maid is the perfect way to keep your mobile device in optimal shape by cleansing it of all the old data that clutters up the works. Inside the app, you'll find a number of advanced tools that will help you keep track of your files and apps.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode