Downloading CleanMaster 9.1.5 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program is categorized as System Tools. This Mac app is an intellectual property of AffinitiesTech, LLC. We recommend checking the downloaded files with any free antivirus.
From the developer:
CleanMaster is an extremely powerful app designed for tracking and removing junk files on your Mac.
Thorough scanning and cleaning will help to free up space for new files and programs.
You may want to check out more software for Mac, such as AppTrap, QaLL or Trash X, which might be similar to CleanMaster.