For iOS as well as for Android you can install the app on up to 5 different devices of the same operating system as often as you want to. Your In-Apps are kept save, they are not lost in case of an uninstall.
With Android your In-Apps will be loaded automatically, if you install the app again, for iOS please press the “Restore purchases” button inside the app to load the In-Apps again.
This works provided that:
- You are logged in with the same Google Play account or the same Apple iTunes ID on all devices
- You have previously purchased the app with exactly this Google Play or Apple AppStore account