Alternatives to Seapilot
Marine navigation app with digital nautical charts, AIS, routes and weather routing. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Seapilot
Marine navigation app with digital nautical charts, AIS, routes and weather routing.
Replacements
Listings that take over the same core job as Seapilot.
iNavX
A marine chartplotter app for iPhone and iPad with charts from many providers, AIS and GRIB weather.
iNavX supports more than 25 chart providers with live AIS, instrument overlays and GRIB weather, plus free NOAA US charts, though other commercial charts cost extra.
Argo
A marine navigation and trip planning app with nautical charts, autorouting and a boaters' community.
Argo includes nautical charts and manual routing in its free plan plus a web version and crowdsourced reviews, while autorouting needs a paid plan.
Savvy Navvy
A boat navigation app with marine charts, tides and weather, pitched as Google Maps for boats.
Savvy Navvy plans routes that account for wind, tide and current in a simple interface, with advanced features on subscription and no AIS support listed.
Aqua Map
A marine navigation app for boaters that shows NOAA, USACE and CMOR charts with offline use.
Aqua Map uses NOAA, USACE and CMOR charts offline with an anchor alarm, but its chart coverage centres on US waters and the Bahamas.
OpenCPN
A free, open-source chartplotter and marine GPS navigation program for laptops and onboard computers.
OpenCPN is a free, open-source chartplotter running on Windows, macOS, Linux and Android with community plugins, though some chart sets must be obtained separately.
Also worth comparing
These listings name Seapilot as their own alternative, so the relationship runs both ways.
Orca
A marine navigation app for planning trips with charts, routing and weather, with optional boat hardware.
Seapilot offers charts, weather routing with GRIB data and GPX import and export, with AIS and NMEA sensor support limited to Premium.
qtVlm
Navigation and weather routing software for sailing boats, with a GRIB viewer and chart support.
Seapilot provides charts, weather routing with GRIB data and AIS support on phones and tablets, with most navigation features in Premium and no Windows version.
Similar software
Related functionality, not a direct replacement.
OpenSeaMap
Free community nautical chart built on OpenStreetMap, with seamarks, harbours and depth data.
Signal K
An open marine data standard and local server that connects a boat's instruments and sensors.
Windy
An interactive animated weather map with wind, waves and radar forecasts from several forecast models.