The free all-in-one Mac app to optimize your Mac through monitoring the usage, scanning out junk file and cleaning it up. Free: You don't need to spend money using it to speed up your Mac. Quickly: Speedy not only to scan out the files but also to clean them up. Powerful: All things in your Mac can be checked, including the battery state, CPU usage, memory usage, etc. Considerate: It allows you to select the items freely and check the scanned results by size, time, etc. All decisions are up to you.