The Google maps App is free if you download over WiFi it should not cost you anything. If using the app to navigate it will use data this could cost you depending on your pay as you go contact.

Search for a place on Google Maps At the top, tap the search box and enter an address, name of a place, or choose a category, like gas stations or groceries. Tip: After you find a place on the map, you can check directions to the place in a list, details about a place, or get directions with voice-guided navigation.

If you're trying to use Google Maps but it's not working, there could be a few different reasons. You may have a weak or insecure internet connection. If you're using a cellular data connection, try moving to a different location or using a Wi-Fi connection. Second, check to see if there are any outages in your area.