Is it possible to make an Android/iOS application private?

Question

Android

We are making a mobile application.
But we want to make registration / authentication closed for public access, i.e. by invitation or moderation.
Is it possible to do this for the application, and how to avoid the moment that we in Google and Apple Stores do not start putting ones for denying them access.

Answer 1

Yes, it is possible to do so.

how to avoid the moment that Google and Apple Stores don’t start giving us ones for denying them access.

No way. People will always be able to put a unit.
You can only minimize their number by working on the quality of the application and increasing the level of service.

Answer 2

By the way, bending under the crowd is now of course in trend, look, for example, Coca Cola and Germany in 1934 and today. In general choose