Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Duff-Man says....It is basically "TechTool Pro Lite" and is somewhat out of date but still semi-useful for minor disk-related (or other hardware) repairs. Should you use it? Well, if you are not experiencing problems then not really....and if you are experiencing disk problems then I would be more inclined to try repairing with Diskwarrior before TTDeluxe....oh yeah!
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.