Supports BSB v3, S57 ENC, and CM93 vector charts for comprehensive charting
Integrated chart downloader and GPX/route support
AIS integration with target tracking and collision alerts
Multiple display modes and ship/navigation-centric features
Paid app at $9.95 may be a barrier for cost-sensitive users
Lacks explicit marketing keywords like maps and offline in competitor keyword comparisons
About OpenCPN
OpenCPN is a maps & navigation app developed by Dave Register.
Download Statistics
OpenCPN has been downloaded 45 thousand times. In the last 30 days, the app was downloaded 910 times. It is ranked #8 in maps & navigation.
User Ratings
OpenCPN is rated 3.31 out of 5 stars. The rating is based on 600 ratings.
App Information
OpenCPN costs $9.95 to download. The APK download size is 54.62 MB. The latest version available is 5.14.0. The last update was on August 31, 2026.
Technical Requirements
OpenCPN requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play September 2015.
Description
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
Recent changes: Add new GRIB source: Harmonie(nl) Improved UX for import/export file selector dialog. Improved UX for custom chart downloader catalogs.
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I love being able to use official chart files for navigation. Worlds better than Avionics for basic navigation like making routes and seeing tracks. But I would love a few improvements to some issues I have: - Tracking stops when the screen is off. I use a separate GPS tracking app for that part but would like to use OpenVPN. - Ordering tracks by start date doesn't happen when I press the "start date" column. - Import GPX only works sometimes.
★★★★☆Rhys Parry· Jul 1, 2025
Mostly works really well and has a lot of functionality. The UI can be awkward to use on Android phones though as I think it was originally designed for larger screens. I have the UK charts from o-charts, which are good value, but the ones for Greece are pricey for the 1 week a year I might go.
★★☆☆☆Daniel “Daniels7”· Apr 25, 2025
The APP is very slow and keeps crashing with only UK map installed on the latest Android 14 / Samsung S22 Ultra. I am using the o-chart plugin. Moreover, during every start, it is complaining that it can not access some folder, so when I finally clicked on it to migrate, then the map for which I paid for has disappeared. Another problem is that license is assigned only to this phone. Generally speaking, it is very complicated to use and works very slowly. I am thinking of asking for a refund.
★★☆☆☆R M· Apr 17, 2024
Does okay as a standalone chart plotter but cannot import GPX files where all other Android chart plotters have no issue. I use OpenVPN on my computer to create my routes and then import them into Aqua Map.
★★☆☆☆Monty Mariner· Nov 17, 2023
This version caused me grief trying to add my charts, harmonics files and routes. It was difficult to specify path and when I 'poked' the app folders and added my harmonics files I could see the files in the settings but the app froze when the file was added. I eventually got it to add my harmonics files by clearing the app cache first. The same thing happened with routes GPX file, cleared cache and routes imported ok.
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