The FatWatch Weight Log

FatWatch is a tool for your iPhone or iPod touch to help you track and analyze your body weight. It uses methods described in The Hacker's Diet by John Walker.

Take a tour and then buy it on the App Store.
Sep 16 '08
FatWatch uservoice forum

I just set this up, I think I like it better than getsatisfaction, which errs on the side of being to complicated.