MacKeeper

MacKeeper screenshots

The all new MacKeeper service: now with Human Inside
MacKeeper 2.5 : Dubious prompt

Alternative downloads

El Capitan Cache Cleaner
10.0.6
It can improve system performance.
ToolWiz Mac Boost
2.7
FREE
Speed up and optimize your Mac.
360 Total Security
1.2.6
FREE
It is a Mac protection app with handy system maintenance and security features.