Remember what a great feeling it was to beat your brother in a foot race? It was a competition, but it was fun, too. Experience that joy again with the Fitocracy app. There are challenges, motivation, advice from other Fitocrats and a chance to show your friends (or your brother) just who is the best. Join a group for lots of community support. Track your activities, which earn you points. And points lead to level ups. Free at iTunes and for Android.