weightbot

http://tapbots.com/weightbot/

Whether you are trying to lose (or gain) a few pounds, tracking your weight has never been more fun. Set your goal weight, record your weight at any interval (one weight per day max), view your BMI, and see your progress on a beautiful graph. Weightbot also has a built-in secure password feature to protect your weight from prying eyes. It’s easy to use, surprisingly addicting, and designed for everyone to enjoy. Even if you are not actively dieting, you will love tracking your weight just to use Weightbot.