How to make Google Maps the default navigation app on your iPhone
Whether you're upgrading to an iPhone 15 or updating your old phone to iOS 17, follow these steps to replace Apple Maps with Google Maps.

With iOS and iPadOS 14, Apple opened its walled garden and finally let users change their default browser and mail app. While this was a step in the right direction, you still can't change your default apps. Default apps, like your navigation app, can't be switched.