3.6
731 reviews
10K+
Downloads
Content rating
Everyone
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About this app

OpenCPN is a full featured Chart Plotter and Navigator application.

Building upon the tradition and experience of OpenCPN for the desktop computers,
OpenCPN for Android brings many of the same features to the mobile platform.


*BSB v3 raster chart (RNC) support.
*S57 vector chart (ENC) support.
*IHO S52 compliant display of S57 vector charts.
*CM93 vector chart support, with per cell offset corrections.
*MBTiles chart overlay support.
*Integrated Chart Downloader
*Single-chart and Quilted display modes.
*North-up, Course-up and Chart-up display modes.
*Moving-map display mode.
*Route navigation with ship tracking functions.
*Waypoint navigation.
*True north or Magnetic north navigation
*Device-integrated GPS support.
*Bluetooth remote GPS support.
*Network (TCP/UDP) GPS device support.
*Standard NMEA 0183 GPS interface.
*Advance NMEA message handling structure, with built in multiplexer.
*Autopilot output support.
*Networked AIS input with full target tracking and collision alerting.
*AIS support for SART with selectable MMSI for automatic MOB handling.
*AIS support for DSC and GPSGate Buddies.
*Anchor watch/alarm functions.
*GPX Waypoint, Track and Route input and output file support.
*Tide and Current prediction and display by location.
*Route planning with tidal support.
*Builtin great-circle routing.
*GPX Layers for annotation of charts.
*A selection of display themes.
*Google Maps integration.
*Integrated links to eBook User Manual.



By using OpenCPN, you will become part of a worldwide community dedicated to the advancement of electronic charting for your kind of marine application. Whether cruising, racing, fishing, or working professionally on the water, OpenCPN has the features you need for more safety, performance, and fun.

Join us on our dedicated support Forum at

http://bigdumboat.com/aocpn/forum
Updated on
Apr 12, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Ratings and reviews

3.3
440 reviews
James Ebersold
January 28, 2025
This is a good app that I have been using for while. It is generally stable. Support is a bit tricky, the support forum doesn't appear to have been updated for years. I was unsuccessful registering and getting activation emails. The Android version needs the ability to delete chart files. You can't do this through the Android file browser anymore unless your device is rooted. I downloaded unneeded MBtiles and can't delete them. They are large. Only option appears to be uninstalling.
5 people found this review helpful
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Andy Hecker
April 2, 2025
The latest update appears to have removed the option to display my stored US RNC charts. As the ENCs don't show inland waterways (like the S Gulf Cove entrance to the lock and route to the four boatyards near Placida, FL), I'm forced to transition back to Navionics. I wish the Android version had at least the same capability as the Windows version, as I'm not going to keep a laptop in the cockpit. Additionally, the celestial nav tool won't run in Android.
1 person found this review helpful
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Tami K
October 26, 2024
Alas,.why is it so hard to get the appropriate charts? This app clearly has great functionality, and I desperately want it to work for me. But I've spent hours trying to get the correct ENCs or raster charts to download and show properly (uncluttered labeling, objects stay visible with zooming in and out) on my Android 10. How in the world to make this functional? I tried to register for the user forum but the confirmation email never came.
15 people found this review helpful
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What’s new

Correct Dashboard font loading logic