Why should you use any of these apps, to begin with? Recent versions of macOS include Optimize Storage, which has several functions to help get rid of necessary files, and it does enough for most people. There’s also a link to read our full review to help you make a decision on which app to get. On this page, you’ll find quick summaries of the Mac cleaning utilities we’ve reviewed, with links to get product information from the developer and how to get the software. While there are other sites that are better versed in cleaning your house and car, we’ve done some research to find out which apps are the best for cleaning up the files and folders that have accumulated on your Mac’s storage. Whether it’s your home, car, or your Mac, no one really likes cleaning (unless you’re Felix Unger).