I don’t think I understand your question. But you seem to be asking about amounts owed to Apple, so I won’t comment on behalf of Epic. But of course if you sell an iOS app made with UE4, you will owe royalties to Epic.
I don’t think I understand your question. But you seem to be asking about amounts owed to Apple, so I won’t comment on behalf of Epic. But of course if you sell an iOS app made with UE4, you will owe royalties to Epic.