Originally Posted by
Steve B.
If the app uses a map that is not a resident file on the phone, then cell service is required to visualize and display the map and route. You see this often with Google maps if you are in an area of no cell service and neglected to cache a map set local to the device.
The point of my post was tracking the ride without referring to the iPhone while riding (ie it's in the bag tracking GPS), not using it for directions. The phone will capture GPS data, and once you finish the ride, it will overlay GPS data with a map. That's why I said:
Originally Posted by
Hypno Toad
I am assuming that you are strictly looking to see the data after the ride. However, if you want real-time data while riding, get a Garmin.