Yes, and if that were a problem, we would not have Uber for iOS. There are whole classes of apps that cannot be made for iOS (it used to be the case of custom k

Yes, and if that were a problem, we would not have Uber for iOS. There are whole classes of apps that cannot be made for iOS (it used to be the case of custom keyboards & ad blockers, for example). Because security in general, and privacy in particular, are non-negotiable on iOS.