Paid for iPadOS version. Do I need to pay again for Android?

Hi. Thanks for the amazing sculpting app! I’ve paid £14.99 for the iPadOS version. Will I need to pay again to obtain a copy for my Android device, or is there some way of transferring the license across platforms? Many thanks.

P.S Apologies if this question is not in the best section.

Yes you paid twice because its 2 différents stores