File cleanup at this level may even lead to a system crash if casually removed.ĭr. However, doing so goes contrary to Apple’s security concept for system-level files, where chances of garbage buildup are slim. Looking at this from a software technician’s perspective, utility software shouldn’t have any issues scanning all disk parts. But do you really need to spend that money while in actual sense you can get the features that you can really deem useful for free?Īs the name suggests, this app performs a full scan of the whole disk. While one comes at a fee, the other is free. When it comes to Mac OS X cleanup, two programs particularly stand out: CleanMyMac and Dr.