Compare software

LuckGribOrca

Screenshots

Nautical chart view with buoys and depth contours and a bottom bar for routing, search, weather and instrumentsRoute planning screen with a sailing route, waypoint options, departure time and distanceWind forecast map of northern Europe with an hourly wind and gust table below

Best for: Sailors planning passages with GRIB weather forecasts

Best for: Sailors wanting a modern app-based chartplotter

Paid

Purchased through the Apple App Store.

 Free + paid options

App pricing is not detailed here; Core and Display hardware are sold separately.

macOS, iOS Android, iOS
  • Direct downloads of GFS, CMC and WW3 models
  • Weather routing for sailing passages
  • Designed for use while offshore
  • Fast animated forecast display
  • Sail routing with automatic rerouting
  • Weather routing built into trip planning
  • Can connect to boat instruments through Orca Core
  • Apple platforms only
  • Paid app
  • Full chartplotter features need separately purchased hardware
  • Pricing for app features is not clearly stated
Downloadable app Downloadable app
Not open source Not open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Offline features available Not stated if it works offline

Sources

Catalog checked October 2, 2026

Sources

Catalog checked September 24, 2026

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