Dolphin is free. 5x0=0. Then you have to consider the platform fees. So for android: One time fee of $20, yearly $0 profit For apple: Yearly fee of $100, year

Dolphin is free. 5x0=0. Then you have to consider the platform fees. So for android: One time fee of $20, yearly $0 profit For apple: Yearly fee of $100, yearly $-100 profit