No specific info about version 6.6. Please visit the main page of Memory Clean on Mac Informer.
Easily update apps from App Store and other sources.
Adobe Updater is a utility helping you keep your Adobe programs up-to-date.
The first Memory Cleaner on the Mac App Store!
Memory Monitor is a very small, open-source system utility.
Keep an eye on your spending, so you don't run out of credit.