This upfront payment from the developer might have the side effect of weeding out all but those who are heavily invested in their iOS app. Ensuring the apps the

This upfront payment from the developer might have the side effect of weeding out all but those who are heavily invested in their iOS app. Ensuring the apps there are not hobby or side projects and are maintained and supported by full-time devs. That said, I wouldn't lock myself into that ecosystem with all those upfront costs and restrictive terms where Apple benefits much more from the devs than the other way round.