One of the better push up programs but – 100+ Pushups - Getting in Shape in Six Weeks Review

It requires in app purchases to finish the program. Yes once you're at the 40 or 50 push up level you have to buy the rest of the lesson. Granted at that level you could probably make a program yourself to get to 100 but it still is annoying. But the early levels when you are just at 20 push ups are definitely worth it to me.
Review by Grovster on 100+ Pushups - Getting in Shape in Six Weeks.