One for the Apple fans and Smartlink.   Android Auto has offered a nav choice of Google Maps and Waze for a while. Apple just supported their own Maps.   At WWCD today, Apple announced support in CarPlay for Apple Maps plus Google Maps, Waze and others, via iOS12.   https://techcrunch.com/2018/06/04/apple-says-carplay-will-now-support-third-party-navigation-and-mapping-apps/