At the same time, ProSoft is also offering an easy upgrade path for those who purchase the LE version from the Mac App Store and later decide they want all the extra features and functionality of the full version: By , you can upgrade from to the full version for $39 (plus shipping). The combined cost of LE ($60) and the upgrade ($39) is the same as the cost of buying the full version of Drive Genius 3 directly from Prosoft, so you aren't penalized for going the Mac App Store route first.