No specific info about version 2.1. Please visit the main page of Memory Clean 2 on Mac Informer.
Memory Monitor is a very small, open-source system utility.
It will help you optimize and keep your memory under scope.
Extremely powerful and super slick app for optimizing your Mac's memory.
El Capitan Cache Cleaner can improve system performance.
Speed up your Mac and secure it with the Hi Speed Bundle.