> Except they offer you a channel for distribution, discoverability, promotion, rating and monetization of your app.
Only because they don't allow you to do any of that yourself or allow for any alternatives.
Read again what I wrote >On Android you don't have to serve your app over Google Play you can distribute .apk file elsewhere and pay 0% fee but on iOS unfortunately you can not do that.
Except they offer you a channel for distribution, discoverability, promotion, rating and monetization of your app.
On Android you don't have to serve your app over Google Play you can distribute .apk file elsewhere and pay 0% fee but on iOS unfortunately you can not do that.