A large number of Mac users are bothered by a variety of system issues that may affect their system performance. Such issues include: hard disks taken up by binaries, cache files, log files and useless language files, RAM occupied by various 3rd party applications, difficult to uninstall apps, large or duplicate files filling the hard disk, and so on. MacBooster is designed to help Mac users with fixing such issues. It consists of a strong cleaning tool to clear out all of the unnecessary files that slow down system performance. It also includes a number of practical tools including duplicates finder, large and old files cleaner, app uninstaller, memory optimizer and startup applications organizer.