Apps Like Perpetual Nautical Almanac for iPhone and iPad
Calculate celestial positions in real-time
Calculate precise celestial positions using real-time data from 1900 to 2050. Input date and time to instantly recalculate GHA and declination for the Sun and Aries.
by RPA TECHNOLOGIES SL★ 5.01 ratingsNavigation$6.99Data updated 2026-09-20
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.
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The app provides live tide information for planning activities. Users can view tide graphs, moon phases, and sunrise/sunset times for approximately 1870 stations across the US and Canada.
Identify and locate stars, planets, comets, constellations, and galaxies by pointing the device at the sky. View detailed information about celestial objects. Set location and time for accurate sky mapping.
View celestial positions including sun and moon overhead locations, daylight coverage, and moon phases. Track rise and set times, parallactic angle, and lunar liberations. Display day and night maps in an azimuthal projection.
Plan flights with route mapping, fuel calculations, and weather data. Track aircraft in real time. Access offline maps and charts. Set flight parameters and monitor navigation. Share flight data with other .
The app provides features to search for addresses and landmarks using various criteria. Users can view live traffic, explore street views, and receive navigation guidance with voice instructions.
The app provides altitude readings using GPS, Aster, or barometric data. It functions offline for wilderness adventures and includes features like a speedometer, step counter, and flashlight.
The app helps users find and filter places and services, with or without an internet connection. It offers extensive filters and thousands of unique points for outdoor adventures.
Track elevation and atmospheric pressure with and barometer. Use compass for direction based on satellite location. Access weather updates and speedometer. Log steps with pedometer. View maps and use binoculars for scouting.
Use device as high-performance GPS receiver with USA Raster Nautical . Access without cell signal. Navigate safely in emergencies. Sync with chart plotter if available. Download for offline use. Track location and display real-time data.
Track boat trips and navigate to destinations in North America. View real-time locations of friends. Access local knowledge from other boaters. Set and follow routes. Share trip details with others. Receive updates and alerts.
Calculate -related conversions, fuel consumption, and navigation metrics. Perform arithmetic operations and unit conversions. Track time, distance, and speed. Sync with Apple Watch for real-time updates.
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.