You can use anything you want if you are not selling in app items. Think Fandango. You are buying movie tickets. Do they use Apple's in-app purchase? Heck n

You can use anything you want if you are not selling in app items. Think Fandango. You are buying movie tickets. Do they use Apple's in-app purchase? Heck no. But a game with virtual goods is required to. That's the distinction.