The key thing is that you can set up a separate website for payments with iOS devices, but you can't embed or link to that website within your iOS app. I've see

The key thing is that you can set up a separate website for payments with iOS devices, but you can't embed or link to that website within your iOS app. I've seen apps rejected because their technical support website was linked from the app and the header of that website got you to the payment website after like 10 clicks.