Integrated GPS

Integrated GPS

iPhones, iPads ("G" models) and most Android devices have actual GPS support - without cellphone reception. Our apps take full advantage of this embedded GPS capacity...and a host of external GPS devices.
Real-time Weather

Real-time Weather

Now, you can visually inspect the weather conditions while looking at your charts...at the same time. We serve the latest NEXRAD Weather radar directly into the app.
Offline Charts

Offline Charts

Never worry about not having an Internet connection. Using our innovative offline technology, simply drag and drop your charts and have them everywhere you go. No limit to how often or how many.
24 x 7 Charts

24 x 7 Charts

We poll NOAA's data servers for the latest chart updates every week and push those updated charts directly to your device. Now, you never have to worry about having the latest charts.
Layers

Layers

Its all about the layers. The EarthNC Marine Chart App's true power comes from the incredible library of "layers" from all sources - premium, free you name it. Take a tour of our layers and let us know what you think.
Free on-line chart viewer.
Explore our free, online chart viewer (U.S. only) with full Google Earth integration. Use the Web viewer to double check our chart coverage before you buy.