No. Row tracking and voice prompts work with GPS alone. Satellite imagery loads when you have a connection.
Phone GPS is usually within a few meters, and Moonrow corrects for drift as you drive. If it picks the wrong row, tap Shift once.
Yes. While a harvest is running, tracking and voice prompts keep going with the phone locked in the cab.
Yes. Open iPhone Duo and the map and row guidance sit side by side.
Yes. The app and its voice prompts are in English and Spanish.
On your device and in your own iCloud. Delete it any time from You, then Delete account and data.