Compare software

Savvy Navvy vs OpenCPN: catalog facts
Savvy NavvyOpenCPN

Screenshots

Marine chart with depth soundings and buoy markers on a phone screenWind map overlay with forecast timeline on a phone screenSatellite chart view with a chart type selector panel on a phone screen

Screenshots

OpenCPN dual chart view with nautical depths, buoys and navigation controls

Best for: Leisure sailors and motorboaters who want simple route planning on a phone

Best for: Sailors who want a full chartplotter on a laptop or onboard computer

Free + paid options

Free to download; full features require a paid subscription.

Free

Free and open source.

Android, iOS Windows, macOS, Linux, Android
  • Route planning that accounts for wind, tide and current
  • Charts, tides and weather in one app
  • Simple interface for less experienced boaters
  • 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
  • Not a replacement for certified onboard navigation equipment
  • Advanced features require a subscription
  • Desktop-style interface is less suited to phones than dedicated mobile apps
  • Some chart sets must be obtained separately
Downloadable app Downloadable app
Not open source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Offline features available

Sources for Savvy Navvy

Catalog checked September 23, 2026

Sources for OpenCPN

Catalog checked September 23, 2026

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