I'm developing an app that has premium features and was about to implement IAP for that. But these premium features are only accessible to enterprises (individuals don't even see these features because it would be irrelevant for them (employee management, etc) and the app is free for individuals). The 3.1.3(c) App Store Review Guidelines specify that If your app is only sold directly by you to organizations or groups for their employees or students (for example professional databases and classroom management tools), you may use purchase methods in addition to in-app purchase to collect those payments. Consumer, single user, or family sales must use in-app purchase. According to this, in my case, should I propose a direct payment (with Stripe for example) or is it a case of mandatory IAP ?