In the worst-case scenario, you'll brick your phone. How to change your default navigation app to Google Maps on iPhone or iPad You can't make Google Maps your default navigation app, but there's ...

That’s all you need to do to make Google Maps the default navigation app on your iPhone. Presumably, other navigation apps will appear in the list, so you can switch to something else.

Default apps, like your navigation app, can't be switched. Although using Apple Maps (the default iPhone navigation app) has its benefits, there are still reasons to stick with Google's navigation ...