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
The app provides marine charts for the UK and Ireland, featuring live AIS ship positions, augmented reality views, and route planning. It offers offline charts, autopilot support, and detailed navigation information for boating trips.
Monitor and control boat systems with real-time data display. Connect to NMEA 0183, Navico MFDs, NMEA 2000, Victron, and Chetco devices. Customize dashboard layouts. View engine status, position, and sensor readings.
Provide turn-by-turn navigation from current location or any starting point to a destination. Access a global database of locations including transit stops and user-shared points. Create and save custom routes.
The app records vehicle travel data, displaying real-time measurements like speed, distance, and altitude. It offers features such as trip recording, customizable themes, speed limit alerts, and HUD mode.
Navigation provides flight planning and in-flight calculations. Users can customize quick access buttons, configure units, and adjust keypads. Features include real avionics look, flight data entry, and performance calculations.
Provides interactive maps with lakes, rivers, and zones. Users can track routes using offline GPS navigation. The includes tools for marking locations and planning trips.
Visualize seabed types including sand, Posidonia, coralligenous, and rock. Access port information, maritime regulations, and diving sites. Book mooring buoys for secure anchoring. Track anchoring locations and monitor seabed conditions in real time.
View detailed and with vector-based maps that remain clear at any zoom level. Pan, tilt, and rotate for an immersive experience. Purchase additional features within the for expanded functionality.
Record and view hiking tracks with detailed topographic . Navigate routes using GPS coordinates. Mark waypoints and save locations. Display elevation changes and compass direction. Sync with Apple Health for activity tracking.