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Argo vs OpenCPN: catalog facts
Argo	OpenCPN
Screenshots	Screenshots
Best for: Recreational boaters who want charts, trip planning and local knowledge from other boaters	Best for: Sailors who want a full chartplotter on a laptop or onboard computer
Free + paid options A basic plan is free; paid plans add further features.	Free Free and open source.
Android, iOS, Web	Windows, macOS, Linux, Android
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	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
Autorouting and some features sit in paid plans Social features depend on how many boaters use it in your area	Desktop-style interface is less suited to phones than dedicated mobile apps Some chart sets must be obtained separately
Downloadable app, Web application	Downloadable app
Not open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Argo argonav.io Catalog checked September 23, 2026	Official website Full listing and sources Sources for OpenCPN opencpn.org play.google.com/store/apps/details Catalog checked September 23, 2026

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

Screenshots