I would benefit from the app myself, primarily. And I would need to pay to host it anyway. Others may also make use of it, with no warranty, and no guarantee of me keeping the service running for any length of time.
So you are selling an app whose server could be plugged at any time and render the app unusable. How is that any better than a subscription. Imagine paying money for a phone that stops working after one day. By design. You would be furious. And rightfully so
