Compare software

OpenCPN vs Savvy Navvy: catalog facts
OpenCPN	Savvy Navvy
Screenshots	Screenshots
Best for: Sailors who want a full chartplotter on a laptop or onboard computer	Best for: Leisure sailors and motorboaters who want simple route planning on a phone
Free Free and open source.	Free + paid options Free to download; full features require a paid subscription.
Windows, macOS, Linux, Android	Android, iOS
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	Route planning that accounts for wind, tide and current Charts, tides and weather in one app Simple interface for less experienced boaters
Desktop-style interface is less suited to phones than dedicated mobile apps Some chart sets must be obtained separately	Not a replacement for certified onboard navigation equipment Advanced features require a subscription
Downloadable app	Downloadable app
Open source	Not open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
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 Savvy Navvy savvy-navvy.com Catalog checked September 23, 2026

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

Screenshots