True, but that is only one solution and a flawed one, as device ID can legitimately change - no developer needs to know whether I am using the phone I bought today or the one I bought a year ago.
Non-consumable in-app purchases are restorable on any iOS device you can sign in with your iTunes account. When you buy a new iOS device and use StoreKit's restore transaction feature, Apple will generate a new receipt with UDID of that device. In-app purchases are tied to your iTunes account whereas embedded UDIDs are tied to devices you sign in with your iTunes credential.
Comments
True, but that is only one solution and a flawed one, as device ID can legitimately change - no developer needs to know whether I am using the phone I bought today or the one I bought a year ago.
Non-consumable in-app purchases are restorable on any iOS device you can sign in with your iTunes account. When you buy a new iOS device and use StoreKit's restore transaction feature, Apple will generate a new receipt with UDID of that device. In-app purchases are tied to your iTunes account whereas embedded UDIDs are tied to devices you sign in with your iTunes credential.