> If you consider the IOS app store, where the minimum price is $0.99 and they take a maximum of 30% (including all payment fees etc), that still leaves you wit

> If you consider the IOS app store, where the minimum price is $0.99 and they take a maximum of 30% (including all payment fees etc), that still leaves you with at least $0.49 per extra copy sold. This is assuming that all users only install the app on one device. Say a user has both a tablet and a phone, they install the app on both, and after a couple of years they upgrade both and reinstall the app - suddenly you owe Unity more money than you took in from the sale!