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OpenCPN vs Argo: catalog facts
OpenCPN	Argo
Screenshots	Screenshots
Best for: Sailors who want a full chartplotter on a laptop or onboard computer	Best for: Recreational boaters who want charts, trip planning and local knowledge from other boaters
Free Free and open source.	Free + paid options A basic plan is free; paid plans add further features.
Windows, macOS, Linux, Android	Android, iOS, Web
Runs on Windows, macOS, Linux, Raspberry Pi and Android Plugin manager with a catalog of community plugins Designed for use at the helm while underway No cost for the software itself	Free plan includes nautical charts and manual routing Crowdsourced reports and reviews of places and marinas Tide, current, wind and wave forecasts Offline charts and routes
Desktop-style interface is less suited to phones than dedicated mobile apps Some chart sets must be obtained separately	Autorouting and some features sit in paid plans Social features depend on how many boaters use it in your area
Downloadable app	Downloadable app, Web application
Open source	Not open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Offline features available	Offline features available
Official website Full listing and sources Sources for OpenCPN opencpn.org play.google.com/store/apps/details Catalog checked September 23, 2026	Official website Full listing and sources Sources for Argo argonav.io Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

Screenshots