In contrast, the southern (or Mediterranean) view is that public authorities should make and enforce the law, but not otherwise nagon about personal behaviour.
We had two iPhones and two Android phones between us, allowing me to test Google Maps on both the iPhone and Android and Apple's own mapping app for the iPhone. (There's no Apple app on Android.) These apps all have turn-by-turn voice navigation and will nag you with new directions if you make a wrong turn or try to go off-course.