feature, provided the original purchaser has enabled this option. In-App Purchases : If you have registered your app to an Image-Line Account
A common question is whether Image-Line (the developers of FL Studio) offers the mobile app for free to desktop users. The answer is nuanced.
Since you never purchased the app under your own Apple ID, Apple will not help you recover it. If the shared account disappears, you lose the app permanently.
When you sign in with a shared Apple ID on your device, you are not just logging into the App Store. Apple’s ecosystem is deeply integrated.