Cleaner is clearly the sum of the four types. This reveals a drop-down panel that shows the memory usage and disk space that can be cleaned.Ĭlick the menu button (three dots) and there is a description of the memory usage showing the app memory, file cache, wired, compressed and used. It displays the memory used as a percentage, which is useful, but more information is displayed when it is clicked. Perhaps saying your Mac will run like new is a slight exaggeration, but it aims to help OS X and your apps run better and by cleaning junk files off the disk drive results the idea is that there is less clutter and more disk space.ĭr Cleaner is a menu bar extra that can be set to automatically run on startup. Cleaner is from security company Trend Micro and it cleans and optimises. There are many disk cleanup tools and memory optimisation utilities, but there may be room for one more and this one is an interesting app.