Free
In-App Purchases

Details

  • Released
  • Updated
  • May 16, 2013
  • September 28, 2017

Features

Great Depths screenshot #1 for iPhone
Great Depths screenshot #2 for iPhone
Great Depths screenshot #3 for iPhone
Great Depths screenshot #4 for iPhone
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About

This app transforms your iOS device into a digital depth finder. It provides comprehensive US coastal and Great Lakes coverage with live tide data and nautical charts. Navigate safely and efficiently with offline chart storage and distance calculation features.

Digital depth readouts
Live tide data
NOAA RNC nautical charts
Offline chart storage
Distance calculation
Automatic chart syncing
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What's New in Great Depths

4.0

September 28, 2017

This app has been updated by Apple to display the Apple Watch app icon. - Updates for iOS 11 - Bug fixes

More
19

In-App Purchases

Free

Lake Michigan

NOAA charts of Lake Michigan

User reviews

Good

Works for me . Good app. Helpful for boating . How do I get the dropped pin off the map? Maybe make a faq page for the app, for easier use

Map automatically switches 😤

The map always automatically loads to a picture map. It is very irritating and I would love to just keep the satellite map on while I browse the ocean depths. Is there any way to just keep the satellite map on without it automatically switching?

good but lacking

Need to flag protected areas so this can be used for on water navigation

36° 33.650' N. lat. 121° 57.600' W. long.;
36° 33.650' N. lat. 121° 58.500' W. long.;
36° 33.100' N. lat. 121° 58.500' W. long.;
36° 33.100' N. lat. 121° 57.600' W. long.; and 36° 33.650' N. lat. 121° 57.600' W. long.

Be able to enter coords like this so that it will show the boundaries of that protected fishing area
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Needs Canadian charts

Seems like a great app but it needs Canadian charts as well. West Coast would be great.

Great app!!

We were visiting Lake Champlain for the week and had a paper chart but our chart plotter didn't cover this area. Got this app while exploring the lake and it was a tremendous help when cruising along!

Developer apps

FAQ

Does Great Depths have ads?

No, Great Depths is completely ad-free, allowing for an uninterrupted navigation experience.

What devices support Great Depths?

Great Depths is available for iPhone, iPad, and iPod devices, offering broad compatibility for iOS users.

How often is Great Depths updated?

The app was last updated on September 28, 2017, with version 4.0. While updates may not be frequent, the core functionality remains reliable for navigation.

Can I use Great Depths offline?

Yes, downloaded chart packages are stored locally on your device, meaning you can use Great Depths without relying on cell service.

What is the age rating for Great Depths?

Great Depths has an age rating of 4+, making it suitable for a wide range of users.

How does Great Depths handle tide data?

The app provides live tide data that is automatically adjusted based on current tide or lake levels, offering accurate depth readings.

What kind of chart packages does Great Depths offer?

Great Depths offers chart coverage for the entire US coast, the Great Lakes, and various other lakes and canals, available in bargain-priced packages.

How does Great Depths compare to other navigation apps?

Great Depths focuses on providing essential depth finding and nautical charting features with offline capabilities and an ad-free experience, differentiating itself from apps with broader feature sets or subscription models.