Diet Bet - Make money, lose weight
Fitrockr - Compete in social fitness leagues
Competish - Weight loss with friends!
Runtastic - Runtastic offers a series of fitness apps that can be used to track your running, walking, hiking, and cycling, as well as many other fitness routines. Read more about Runtastic.
Noom - Get life-long weight-loss results
Fito Group Fitness - Convenient, effective fitness coaching to reach any goal.