So my original point still stands; There is only one marketplace [for iOS applications] ... 2. The products that are created for the iOS AppStore cannot be so

So my original point still stands; There is only one marketplace [for iOS applications] ... 2. The products that are created for the iOS AppStore cannot be sold anywhere else. -- There are multiple commercial marketplaces available for Android - so I don't think highlighting the Apple AppStore is necessarily a needless restriction.