Piggybacking on this - basic mobility exercises can free up a lot of your muscles from regular pain. You end up doing this a lot when you go see a physical therapist.
This was part of the reason we bootstrapped our app - MoveWellApp.com - to give people easy-to-understand routines to stay mobile and pain free at home.
No comment to its quality, but it's pretty ballsy to piggy-back on a thread talking about a $100B/yr industry being "mostly a scam" to promote your app :)
On a more serious note, I think an app that motivates people to be more active isn't a bad thing or scam per se, though I can't speak to the quality of this particular one.
This was part of the reason we bootstrapped our app - MoveWellApp.com - to give people easy-to-understand routines to stay mobile and pain free at home.
It's a free download at http://MoveWellApp.com/download for iOS, so if you have any specific feedback, I'd love to hear it.
/blatant-self-promotion