I would like to know, how most App's have other in app payment options avaialble?
Most App's allow users to pay via debit or credit card or even pay pal.
Can someone please explain? As I thought only itunes credit is the only option for making payments?
Those examples are not taking place in the app...they result in the user connecting to another scheme that processes payments outside the app.
In App Purchase, in this context, is Apple's phrase to indicate payment via the user's iTunes account, specifically happening without leaving the app for any payment processing.
