Apps Like OpenSeaMap for iPhone and iPad
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Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Aqua Map Boating
GEC s.r.l.
Download charts, navigate offline, connect instruments
Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.

i-Boating: Marine Charts & Gps
Bist LLC
Navigate with and river
Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.

iNavX: Marine Navigation
NavX Studios LLC
Navigate with real-time charts and weather data
Access charts, maps, weather data, and AIS information. Navigate with worldwide chart coverage from multiple providers. View real-time weather and track vessel position. Set waypoints and measure distances between points.

PRO CHARTS - Marine Navigation
MiraTrex, Inc
Navigate and track your route
View high-resolution NOAA nautical with depth data for U.S. coasts, Great Lakes, major rivers, Brazil, and global areas. Navigate using GPS, track vessel position, and set waypoints. Access tidal information and route planning tools.

Weather Live° - Local Forecast
Mosaic S.r.l.
Track , customize forecasts, view layouts
View current and weekly forecasts with times for multiple locations. Customize parameters and layouts. See animated scenes and backgrounds. Track temperature, precipitation, and wind conditions. Set up alerts for severe .

Fishing Points: Map & Forecast
Fishing Points d.o.o.
Catch fish with real-time forecasts
View forecasts to determine optimal times. Access maps for discovering new spots. Track tides and weather conditions. Log catches and share findings with other anglers. Sync data across devices for continuous tracking.


Avenza Maps: Offline Mapping
Avenza Systems Inc.
Navigate with maps and GPS
Use GPS to navigate trails . Import custom maps and create personal maps. Access topographic, hiking, cycling, and city maps from publishers like National Geographic and National Park Service. Sync with devices for use.


Nautical Charts & Maps
LW Brands, LLC
Download and view weather
View and download NOAA electronic navigational for offline use. Access in NOAA or ECDIS formats. Overlay NOAA weather for real-time conditions. Display buoys, beacons, lights, and natural/man-made features. Track radar and fog signals.

Fishing Points - Lake Maps
Bist LLC
Find spots and track depth
Access depth and marine charts for USA, Canada, UK, and other regions. Locate spots with AI-driven breakline analysis. Create or import boating routes with GPS and voice navigation. View HD bathymetry and sonar contours for precise planning.

NV Charts GPS Navigation AIS
NV Chart Group GmbH
Navigate with digital and harbour data
Access digital nautical for offline use. View comprehensive harbour details and features. Compatible with NV paper . Supports North Sea, Baltic Sea, Netherlands, Wadden Sea, and Ijsselmeer regions.


MAPS.ME: Offline Maps, GPS Nav
Convexity Holdings AG
Navigate with turn-by-turn directions
View detailed maps and get turn-by-turn navigation for driving, walking, and cycling without requiring an internet connection. Access preloaded travel guides for hundreds of destinations to plan trips efficiently.


GPS Tracks
David Morneault
Track routes, save waypoints, navigate outdoors
Track outdoor activities like hiking, biking, walking, and running with GPS. Save and navigate to waypoints. Store favorite destinations. View activity logs and maps. Share routes and track progress.


GPX-Viewer
Kyle Modesitt
View files from cloud or device
View and manage files with customizable map displays. Import files from cloud services, local devices, or emails. Choose between Apple Maps, Google Maps, OpenStreetMaps, or custom tile sources. Adjust colors for waypoints, track points, and routes.

Navionics® Boating
Garmin International
Navigate with offline charts and features
View detailed navigational charts offline with multiple overlays. Access real-time data and historical information. Plan routes and track progress. Set waypoints and measure distances. Sync with other devices for collaborative navigation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.