Apple will be applying their 30% App Store fee to all new memberships purchased in the Patreon iOS app, in addition to anything bought in your Patreon shop.

Source: Apple forces Patreon to charge Patreons 30% tax, or have its iOS application banned from the App Store - OSnews

Apple will be making more than Patreon, even in some surprising circumstances. They shouldn’t have this much power.

This is why I’m against mobile apps.