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Can you provide an example? I've just checked 3 different apps which offer premium features. All of them go straight to Apple Pay, without showing any other options. EDIT: okay, I think get it now. In-app purchases != taking payments in general. E.g. I have different options for payments when using the Amazon app but only Apple Pay when buying a pro version of a metronome app. It's in-app purchases that force Apple P…
That's not Apple Pay, these are iOS in-app purchases. If you or the author call it that, nobody here will understand you.
To be fair, as a user, I don't see the expression "in-app purchases" while I _do_ see the Apple Pay logo. It's easy to get them confused.