It is mainly for Mac users who want to clean up and free up Mac hard drive with no effort. MacClean is the best Mac cleaner 2017 for all Mac desktops and laptops. It has a free version but that will only let you clean up 500 MB of data at one time. What’s the caveat you ask, well it’s one pricey software. The best part is that it does all that without touching your system files, hence you can never accidentally cause harm to your Mac. Along with this, it also lets you recover storage space in a few clicks. Once Disk Doctor has scanned the disk, it separately mentions its usage in numbers. Disk Doctor is another app in ‘the best Mac cleaning software’ list. As for apps to keep your Mac clean and fast, you can try MacPaw CleanMyMac - an excellent disk cleaner utility that automatically detects unnecessary junks, and by removing them, you can free up a lot of disk space and increase system performance. Best Free Mac Cleaners In this article, we will show you top 6 best free Mac cleaners to help you clean and speed up your Mac easily and quickly. For iPhone, you may use iPhone cleaner to clean it, while for Mac, you can also clean up Mac with Mac cleaner.