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.
Perpetual Nautical Almanac screenshots
Ranked alternatives
Showing 321–340 of 1,000 ranked alternatives.
Density Altitude & Air Density
Ingenieria del Software ISEnet S.L.
Calculate air and altitude settings
Calculate air , altitude, and other aviation-related metrics using temperature, altitude, humidity, and atmospheric pressure. Input data can be sourced from GPS, weather stations, or entered manually.
Constellations Quiz Game
MmpApps Corp.
Learn the night sky constellations now.
The app helps users learn the 88 constellations in the night sky through a quiz game. Users can choose from three constellation sets and zoom in for a closer look.
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.
Barcelona Travel Guide Audio
Danila Pryadko
Explore ancient streets and historical sites
Explore historical landmarks and cultural sites in . View detailed information about ancient history, architecture, and local legends. Navigate the city with maps and location-based recommendations. Save favorite spots and share insights with others.
Highway Weather, Travel, Road
Proalab Limited
Plan trips, add waypoints, view weather forecasts
Plan trips by adding waypoints and viewing weather forecasts for each segment of the journey. See real-time weather updates, conditions, and adjust travel plans based on forecasted weather.
Compass - GPS Altimeter
伟 雷
Navigate with real-time coordinates and altitude
Display current direction, altitude, latitude, and longitude. Show real-time barometric pressure and movement speed. Track geographic location. Switch between "Classic" and "Sunset" visual themes with premium color schemes.
Coastal Explorer
Rose Point Navigation Systems, Inc
Plan and log cruises
View NOAA and USACE nautical charts for U.S. waters in vector format. Create routes, waypoints, and boundaries. Sync navigation objects across devices. Track boat position and speed. Set and monitor alarms for depth, speed, and proximity.
Speedometer GPS Speed Tracker
Ryan Schefske
Track and location in real time
Track with GPS accuracy for driving, cycling, skiing, running, and boating. View real-time data and historical logs. Set limits and receive alerts. Export trip data and share records. Sync with fitness apps for activity tracking.
Navigation Marine PRO
Andrea Bisegna
Track position and mark waypoints
Track position and course over ground. Mark and edit waypoints. Measure distance in nautical miles and meters. Calculate course to waypoint. Display speed in knots, mph, or km/h.
Marker Compass
arakawa yuichiro
Check markers, view phases, add custom points
Display markers on the including the Moon for real-time phase tracking. Add custom markers with Premium mode supporting up to 10 entries. Check accuracy affected by nearby metals or magnets. Navigate using intuitive controls without requiring a map.
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