Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.

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?

SuperFreezZ - An Android app to completely stop all background activities of other apps.

CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.

Shelter - Isolate your Big Brother Apps

BleachBit - When your computer is getting full, BleachBit quickly frees disk space.