Something like the "browser choice" that the EU forced Microsoft to implement for a while would do the trick. During initial iOS setup you'd have to choose whic

Something like the "browser choice" that the EU forced Microsoft to implement for a while would do the trick. During initial iOS setup you'd have to choose which app store to use (from the currently most popular choices). The law suit that resulted in "browser choice" started in 1993 and "browser choice" was started 2010, so this may happen "soon".