Great Depths transforms your iPhone into a versatile digital depth finder, providing comprehensive coverage of various water bodies including the US coast, the Great Lakes, Lake Champlain, and more. With this app, you can accurately pinpoint your location on the water and navigate safely to your destination.

This tool offers digital depth readouts, live tide data, and NOAA RNC nautical charts through affordable packages. The depth readouts are automatically adjusted based on tide and lake levels, updating as you move or with a simple touch. The mileage menu allows quick distance calculations between any two points, and purchases are synced across all your iOS devices, with downloaded packages stored offline for convenience.