Great Depths4.0 - App Store

Turn your iOS device into a digital depth finder. Great Depths offers coverage of the entire US coast, the Great Lakes, Lake Champlain and more... Know exactly where you are on the water and cruise to your port of call directly and safely. Sail with Great Depths for iPhone and iPad.

Great Depths offers digital depth readouts, live tide data and NOAA RNC nautical charts in 60 bargain-priced packages. Digital depth readouts are automatically adjusted based on current tide/lake level and are updated as you move or viewed anywhere with the touch of a finger.

-- The handy mileage menu calculates distance between any two points instantly.
-- Purchases are automatically synced across all your iOS devices and downloaded packages are stored locally on your devices so you don’t have to rely on cell service.
-- Best of all, Great Depths is FREE and never has adds! You can download the app and preview the available charts packages without spending a dime.

Chart coverage includes the entire coast of the contiguous USA, the Great Lakes, Lake Champlain, the Erie, Oswego and Champlain Canals, Lake Mead, Lake Oswego, Lake Pend Oreille, Lake Okeechobee, Lake Winnebago, Franklin D. Roosevelt Lake, Lake Cayuga, Lake Seneca Lakes, Wake Island and more....

Version History - Updates for iOS 11
- Bug fixes 4.0 09/28/2017 - Greatly increase rendering speeds.
- Fixed a bug that could cause the app to lock-up when loading many charts at once. 3.9.0 06/10/2015 - Bug fixes 3.8.1 01/13/2015 -Fixed a bug that would cause chart downloads to fail unnecessarily.
-The map now continues to follows the user after the user location button is touched.
-Faster depth readouts. 3.8 12/05/2014 -A clean new look for iOS 8. 3.7 10/08/2014 -Swipe to delete unwanted chart packages.
-View depth estimates even while charts are hidden.
-Minor UI improvements
-Bug Fixes.

Basically, more Speeeeed! (And less memory used.) 3.6 09/10/2014 - A few minor updates and bug fixes. 3.5 07/16/2014 - Routine Updates
- Performance Tweaks 3.4 06/26/2014 - Some small changes to the UI.
- A few bug fixes.
- A bit more speed. 3.3 06/19/2014 -Minor updates and bug fixes. 3.2 06/12/2014 -Live depth adjustments have arrived! Depth readouts are now automatically adjusted based on current tides and lake levels.
-Chart drawing has been optimized for more speed!
-A bug which allowed some detailed charts to be partially concealed by larger ones in other packages has been fixed. 3.1 06/11/2014 Great Depths has expanded! From Maine to the Virgin Islands to American Samoa, you can now download charts with digital depth data in any of 60 new chart packages. Depth readouts are twice as precise, chart images are sharper and perfectly trimmed and it all runs faster than ever! As a show of thanks, all previous supporters have been upgraded to VIP status in the new chart store.
Bon voyage! 3.0 05/18/2014 -Minor bug squashing. 2.2 03/04/2014 -Hundreds of new charts!
-High detail, large scale charts of the Great Lakes.
-Depth estimates adjusted based on current lake levels.
-New chart areas.
-Visibility switches to hide purchased charts on the map.
-Plenty of other nifty new features. 2.1 01/20/2014 - Updated for iOS 7.
- Lake Charts are now managed and purchased in-app.
- Distances and depths can now be displayed in metric units.
- Charts of the Great Lakes are now available.
- Colorized bathymetry graphs are now available for all lakes.
- Fixed black chart rectangles in iOS 7. 2.0 10/23/2013 1.0 05/16/2013