And Apple forces you into this exchange. You can't ask them to simply host a product page like Amazon and leave everything else to you, the app developer. Ther

And Apple forces you into this exchange. You can't ask them to simply host a product page like Amazon and leave everything else to you, the app developer. There's many good UX reasons why Apple does this, but you can't seriously think that they're charging app developers anything reasonably close to the cost Apple incurs because they have literally no incentive to do that; they have a monopoly on iPhone users (much as Google does de facto for Android users).