Nexercise in an app, I have an iphone and I'm pretty sure it works with other phones. Anyway, in short it tracks your work outs, I originally used it to earn points for Amazon Gift cards, which I cashed in yesterday so I'm waiting to see if this part of it is true or not, but even if it's not I still enjoy this app! I put it in my back pocket when I do Just Dance and Zumba. Even though you more or less are only earning silly trophies it still motivates me xD You can also add friends which is why I'm here >w< it's almost impossible to get to know anyone though the app, sooooooooooo, if anyone is interested in giving it a try you may add me though this link.
http://nexerci.se/_d?id=tKYSTyvW_iTN4GLgMWWVy_
I linked it with my facebook so you'll see my picture and name.