Some people here seem to be responding to all of this inappropriately. The simple fact is that Apple is injecting itself as an intermediary in the payment process and extracting a preposterously oversized commission for no meaningful added value. And it's easy to see that Apple knows what they're doing is wrong. They strictly prohibit developers from signaling that there's an extra cost for purchases made through App…
>The simple fact is that Apple is injecting itself as an intermediary in the payment process and extracting a comically oversized commission for no meaningful added value. Frankly anyone who says this with a straight face is being absurd. Apple's commission isn't for "payment processing", promotion, any particular API, or service they provide on their platform. That they do all of those things makes it an attractive…
This is almost the textbook definition of extortion. "Hey, wouldn't it be a shame if you lost access to all these potential customers? You better give us 30% of your revenue."