Google Maps iOS app allows users to easily add via points to their journey. Simply enter the starting point and destination, then tap "add a stop" to add a via point. You can add up to nine via points along your route. Once added, you can also adjust your route to avoid highways, ferries, and tolls, and you can also rearrange your via points. With Google Maps, adding via points to your journey is quick and easy. Now you can plan the perfect route for your next adventure!