We are going to publish our desktop software (iOS app for PC).
According to our rules - 1 software application is allowed for a 1 user ( 1 installation) after purchase.
We are protecting software by license key.
In this case, is it allowed Serial Key protection? Couldn't find such info.
OR
Is it possible to use Apple Store settings to control Software application usage? tracking by Apple ID installations.
Thanks for your advices in advance.
Sorry, I'm new in this business.