Competish - Weight loss with friends!
Fitrockr - Compete in social fitness leagues
MatchUp - The best place to find more of the sports you love to play.
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.
CARROT Fit - A judgemental weight tracker
Fito Group Fitness - Convenient, effective fitness coaching to reach any goal.