iOS App - license per device

Question

we have mobile application for Android and iOS. The app has two versions Free and Full. For using Full version you have to buy a license. The license is linked with device and you can use the license at only one device. The Full app purchase you can make in our e-shop, in the app and in one more other app. We manage licenses ourselves and everything was fine today.

We released new iOS version today and the version was rejected because of possibility of purchasing app with other than the in-app purchase API. We can't use in-app purchase API, because the purchased app is linked with apple ID, so the user can use app at every device, but we need to link the app with only one device.

Is there any possibility how to make it? Thanks.

Answer 1

iOS App store apps are strictly prohibited from locking to (or even detecting or using in any way) any unique iOS device ID. You will need to license your app differently, or not use Apple's App store for app distribution.