[kevinyun]

An app that motivates you to go to the gym. Challenge friends on gym check-ins, and win their money when they don't go.

We're launching for Android on new year's day! (http://fitsby.com if anyone's interested)

[onlyup]

Seems very interesting. Just checked the business model and if people use it repeatedly (not just one wager) this could make a lot of money. Good luck!

[codegeek]

Love this idea. I need it so bad.