You can remove the default navigation app, but you can't set the default navigation app to something else. https://developer.apple.com/documentation/MapKit/pre

You can remove the default navigation app, but you can't set the default navigation app to something else. https://developer.apple.com/documentation/MapKit/preparing-your-app-to-be-the-default-navigation-app https://developer.apple.com/documentation/MapKit/preparing-y...