Apps Like qtVlm for iPhone and iPad
View grib files and track sailing routes
View grib files with detailed wind and wave data. Display basic charts and simple instruments. Use anchor alarm feature. View shapefiles like SHOM data. Receive boat position input from external sources.
qtVlm screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


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.

SEAiq USA
Sakhalin, LLC
Download charts and navigate waters
Navigation allows users to view and download marine charts automatically from NOAA and US Army Corps of Engineers. Create waypoints, routes, and tracks. Use night color modes and anchor alarm. Access weather data and chart measuring tools.

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.


TZ iBoat – Marine Navigation
Nobeltec, Inc.
Navigate with real-time GPS and tidal data
Navigate using GPS, AIS Online, and radar. View charts for coastal boating, sailing, and fishing. Track tides and currents. Set anchoring points. Sync with Apple Health. Share routes and waypoints.

SEAiq
Sakhalin, LLC
Load charts and navigate seas
Navigation allows users to load custom charts in S-57, S-63, iENC, BSB, and KAP formats. It automatically downloads NOAA charts and raster maps. Users can create waypoints, routes, and tracks. Night color modes and anchor alarms are available.

LuckGrib
Craig McPheeters
Download GRIB files and view weather data
Access real-time weather data through GRIB files. Download forecasts via high-speed internet or Iridium GO. View and analyze wind, pressure, and wave conditions. Navigate routes with advanced weather routing tools.

Weather4D Routing & Navigation
APP4NAV
Navigate with real-time weather data
Weather provides real-time data including SOG, COG, VMC, HDG, TWS, AWS, ETAs, ETWs, and AIS. Integrates weather forecasts and calculations. Stores charts for offline use. Switches to night mode after sunset. Shares data with other devices via wifi.

WeatherTrack GRIB
Best Search Infobrokerage, Inc
Worldwide weather details at fingertips.
The app provides worldwide weather details, including wind, precipitation, and wave data. It offers forecasts up to 16 days and can be used offline, with GRIB files downloadable via various connections.

Savvy Navvy: Boat Navigation
SAVVY NAVVY LTD
Track routes, view charts, and monitor weather
View real-time GPS location and track movement. Access marine charts, weather forecasts, and tide information. Plan routes with smart routing features. Set and monitor alerts. Share coordinates and waypoints.

PocketGrib
Nicholas Brennan
Download and view weather data
View global weather data from GRIB files including wind, precipitation, pressure, temperature, waves, and more. Overlay weather information on custom map locations. Watch animated weather maps. Analyze trends and save data for later reference.

app4sail lite
anton van oosten
Navigate with S57 charts and track
View and navigate nautical charts using S57 vector data. Plot courses, measure distances, and track positions. Display depth contours and navigational aids. Save and share route logs. Adjust chart scale and orientation.

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.

Tides Near Me
Shelter Island Mapping Company, LLC
Tide charts and currents worldwide.
The app provides tide charts and current predictions for stations worldwide. It displays tide information, including water level changes, high and low tide times, and sun and moon rise/set times.

My Tide Times - Tables & Chart
JRustonApps B.V.
Track tides and surf conditions
View for over 9,000 stations across 40 countries. Locate nearby automatically. Set custom alerts for specific locations. Track high and low schedules. Share data with others.


SeaNav
Pocket Mariner Ltd.
Plan trips, navigate, and view charts
Plan and navigate boating trips with real-time tracking and high-resolution digital charts covering the US, Europe, and other regions. View vector charts with tappable buoys and lights. Pan and zoom seamlessly across maps.

PredictWind — Marine Forecasts
PredictWind Limited
Track wind, waves, and currents
View high-resolution weather maps for wind, gust, CAPE, wave, rain, and cloud conditions. Access real-time from ECMWF, AIFS, ICON, UKMO, GFS, and proprietary models. Track wind speed, wave height, and current directions.

Tide Alert (NOAA) - Tide Chart
Rivolu LLC
Set alerts and track forecasts
Track tides and lunar phases with NOAA data. Set custom alerts for high and low tides. View offline information. Access lunar calendar and historical data. Share details via social media. Sync with Apple Health for activity tracking.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.