MacCleaning Pro (for Mac OS only) was available as a giveaway on December 27, 2011!
MacCleaning Pro (also named CleanGenius Pro in Mac App Store) is a powerful and handy menu bar utility for monitoring drive free space, cleaning up system junk, and quickly accessing and unmounting volumes, making Mac system run faster and perform better.
With the features of ejecting all mounted drives by one-click and setting custom space value to raise alarm more than MacCleaning Free, MacCleaning Pro will surely provide more precise, efficient, and secured maintenance of your Mac. This professional disk monitor and system cleanup tool helps users to perfect Mac in all directions.
Mac OS X 10.6 or later; 512 MB of RAM or more; 2.8 MB of available HD space