That's cool, but the BodyMedia is in actual contact with your body. The determinations it makes about calories burned factor in body temperature and galvanic response. AFAIK, the FitBit is a wireless pedometer.
True, you do have to spend ~$7/mo for the subscription, unless you hack it with Python (there is a module for interfacing with it over USB.)
True, you do have to spend ~$7/mo for the subscription, unless you hack it with Python (there is a module for interfacing with it over USB.)