From the article: > require in-app purchases You need to bifurcate the payment % from the selling of the app itself and the in-app purchase. For iOS, the App

From the article: > require in-app purchases You need to bifurcate the payment % from the selling of the app itself and the in-app purchase. For iOS, the AppStore is essentially mandated to download and sign an iOS app. No one is saying that you shouldn't have some cost associated with getting that distribution (since Apple is providing value there), it's more about the cut they take for every additional fees once the app is already downloaded.