You have bought a full version on an Apple device
You have changed of device (always Apple) or you want that your child can access to the full version on his/her Apple device ?
You just have to follow these instructions:
- Connect your new device with the same iTunes account used to buy the full version.
- Download the app on the App Store
- Launch the app
- Click on the button "Unlock the full version", then "Restore the full version "
(Note that even if you do the opration of buying the full version, it will not be charged another time as long as you use the same iTunes account)