When you purchase an in-app upgrade, you
are automatically eligible to apply it to the same app on any other device
that's signed in to the same app store account (whether Apple's App Store, Google
Play, or Amazon's Appstore). Yet there's a step you need to take to apply the
upgrade (this is true for all apps, not just ours):
- Go to the Settings tab in the
- Tap the Restore In-App Purchase
at the bottom.