The Tesla example is unfortunate to support he point because Apple doesn’t charge 30% on physical goods.
A funny idea, maybe some apps should sell a physical card, or wearable that gives you access to premium features, but it would be ecological.
> Apps may not use their own mechanisms to unlock content or functionality, such as license keys, augmented reality markers, QR codes, etc.
> In limited circumstances, such as when features are dependent upon specific hardware to function, the app may unlock that functionality without using in-app purchase[...] You may not, however, require users to purchase unrelated products or engage in advertising or marketing activities to unlock app functionality.