Should I go ahead and subscribe. I am trying to get back into shape?
Subscribing is not going to get you "back into shape".
This is the best workout app.
You can do the workout and it'll keep track off your progress or you can do them offline. And it comes with a community in which sharing ideas, suggestions and motivation that is unmatched.
Now that you've been handle the equivalent of gold...now it's up to you what your going to do with it.