Let's just ask this the other way around. What would he gain from people knowing how much he makes from that app ?
On the other side, I think that some people, seeing he is making some money, would feel he's charging too much (or something else). It may not happen, but why take the risk ?
On the other side, I think that some people, seeing he is making some money, would feel he's charging too much (or something else). It may not happen, but why take the risk ?