What you say is technically true, but that's not the real reason people build apps instead of businesses. It may be extra work and not as much fun to setup a pa

What you say is technically true, but that's not the real reason people build apps instead of businesses. It may be extra work and not as much fun to setup a payment system, but it's not that much extra work compared to the difficulty of getting people to pay and dealing with the high probability of rejection.