Contrary to a common opinion, Macs aren’t flawless when it comes to self-optimization. You need to do quite a bit of the tedious cleaning work literally by hand to make sure the system runs smooth at all times. Therefore, a third-party app that automates the process of releasing disk space and boosting the Mac’s performance is more than welcome. Thankfully, there are plenty of reliable Mac cleaners on the market. From where we stand, the apps called Combo Cleaner, Freshmac and MacBooster are among the top utilities in this niche. In addition to identifying and wiping memory hogs along with junk files you don’t need, these tools boast privacy and security essentials to keep your Mac experience both hassle-free and safe.