Ridewithgps.
Also the best route planning app ever. Strava, Garmin Connect, Google just suck in comparison.
I tell it to notify me 60 meters before turn. Good enough for a decent notification at 20 mph. But you can select any distance you want.
Get the pay version. It's worth it.
Last edited by base2; 03-06-19 at 02:42 PM.