Clean Master -

: Claiming to lower device temperatures by stopping power-hungry apps.

Clean Master was once the most popular Android utility app in the world, with over by 2014. While it promised to "magically" speed up phones with a single tap, its legacy is now defined by a massive fall from grace involving ad fraud , data privacy scandals, and its ultimate banishment from the Google Play Store. The Rise: The "Essential" Utility clean master

In the early days of Android, many smartphones had limited RAM and storage. Clean Master marketed itself as a "digital maid service," offering several key features: : Claiming to lower device temperatures by stopping