Never if your phone or tablet become slower and the battery more hungry after many applications installed. With Greenify, your device can work almost as well and sustainably as it was the first day you got it!
Greenify help you identify and put applications of misconduct to hibernation when you do not use them, to prevent them from delaying your device and leech the battery, in a unique way!
Note: Greenify needs a service running in the background to automatically work in hibernate mode. It is designed and implemented extremely light, with an average RAM footprint of less than 5M, and close to zero CPU and battery consumption.
For More Info Google Play
varies with device