Alternatives to iNavX
A marine chartplotter app for iPhone and iPad with charts from many providers, AIS and GRIB weather. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
iNavX
A marine chartplotter app for iPhone and iPad with charts from many providers, AIS and GRIB weather.
Replacements
Listings that take over the same core job as iNavX.
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.
Argo
A marine navigation and trip planning app with nautical charts, autorouting and a boaters' community.
Argo adds a web version, free nautical charts with manual routing and crowdsourced marina reviews, with autorouting in paid plans.
Savvy Navvy
A boat navigation app with marine charts, tides and weather, pitched as Google Maps for boats.
Savvy Navvy offers simple route planning that accounts for wind, tide and current, aimed at less experienced boaters, with advanced features by subscription.
Seapilot
Marine navigation app with digital nautical charts, AIS, routes and weather routing.
Seapilot offers charts, weather routing with GRIB data and GPX import and export, with AIS and NMEA support and most navigation features in Premium.
Orca
A marine navigation app for planning trips with charts, routing and weather, with optional boat hardware.
Orca adds sail routing with automatic rerouting and weather routing, but full chartplotter features need separately purchased Orca hardware and app pricing is not clearly stated.
OpenCPN
A free, open-source chartplotter and marine GPS navigation program for laptops and onboard computers.
OpenCPN is a free, open-source chartplotter for Windows, macOS, Linux and Android with a plugin catalog, but its desktop-style interface suits phones less well.
qtVlm
Navigation and weather routing software for sailing boats, with a GRIB viewer and chart support.
qtVlm adds Windows support, weather routing with departure-time comparison and S57 and S63 chart reading, but its mobile versions and chart packs are paid.
Also worth comparing
These listings name iNavX as their own alternative, so the relationship runs both ways.
OpenSeaMap
Free community nautical chart built on OpenStreetMap, with seamarks, harbours and depth data.
iNavX includes free NOAA US charts and supports over 25 chart providers on phones and tablets, with AIS and GRIB weather, but commercial charts are bought separately.
Similar software
Related functionality, not a direct replacement.
Navily
A cruising guide app for finding anchorages and marinas, with community reviews and slip booking.
Signal K
An open marine data standard and local server that connects a boat's instruments and sensors.
PredictWind
A marine weather service with wind forecasts, weather routing and departure planning for sailors.
MarineTraffic
A live ship tracking map that shows vessel positions worldwide using AIS data.
OpenPlotter
A Raspberry Pi and Debian-based toolkit that turns a small computer into a boat navigation system.
