In theory, an okay idea – Focus — Screen-Free Driving Review

But my teen driver streams music while driving, so the app thinks my teen is on the phone while driving. I just tried this app myself, using Spotify over Bluetooth, and the app did not much else but scold me for using my phone while driving, and I wasn't. I but sprint on before pulling out if garage. Also the voice scolding me sounds like Mr. Garrison from South Park and how can you expect a teen to take that seriously.
Review by Sam's 2014 Nano on Focus — Screen-Free Driving.