If you do not want to go through the hassle of cleaning and optimizing Mac manually, you can do it automatically with the help of a dedicated Mac cleaning software. To get your lightning-fast Mac back, you need to perform an in-depth check-up of your Mac for all kinds of junk and unneeded large files. Mac running slow? Like every other machine, Macs tend to get cluttered up over time with junk and other useless temporary files, which take up valuable hard-drive space and make the device slow as snail and buggy. Clean Up Your Mac in a Jiffy with Best Mac Cleaner App: Concluding Words