Perpetual Nautical Almanac app icon

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

Perpetual Nautical Almanac screenshots

Ranked alternatives

Showing 301–320 of 1,000 ranked alternatives.

  1. SeaNav UK & Ireland app icon

    SeaNav UK & Ireland

    Pocket Mariner Ltd.

    Explore, plan, and navigate boating trips.

    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.

    ★ 3.01 ratingsNavigation$20.99Data updated 2026-10-12
  2. WilhelmSK app icon

    WilhelmSK

    Scott Bender

    Monitor and control your boat's systems

    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.

    ★ 4.528 ratingsNavigation$19.99Data updated 2026-10-20
  3. Loadstone GPS app icon

    Loadstone GPS

    Shawn Kirkpatrick

    Navigate using voice-guided directions

    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.

    ★ 5.02 ratingsNavigation$10.99Data updated 2026-09-11
  1. Virtual Cockpit app icon

    Virtual Cockpit

    Fidel Eduardo Lopez Mayorga

    Record vehicle travel data application.

    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.

    ★ 3.911 ratingsNavigationFreeData updated 2026-10-11
  2. PFMA E6B LITE app icon

    PFMA E6B LITE

    Gonzalo Esteban Astica Capra

    Calculate flight data and track position

    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.

    ★ 3.84 ratingsNavigationFreeData updated 2026-09-13
  3. Fishing Spots-Fish Finder App app icon

    Fishing Spots-Fish Finder App

    Davit Chkhaidze

    Navigate to spots and track your location

    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.

    ★ 5.05 ratingsNavigationFreeData updated 2026-09-06
  4. DONIA app icon

    DONIA

    andromede oceanologie

    Anchor and navigate with seabed maps

    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.

    ★ 4.532 ratingsNavigationFreeData updated 2026-09-08
  5. AIS Maps: Marine & Lake charts app icon

    AIS Maps: Marine & Lake charts

    Flytomap

    View maps, navigate routes, track location

    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.

    ★ 3.732 ratingsNavigationFreeData updated 2026-09-08
  6. iHikeGPS NZ : LINZ Topo Maps app icon

    iHikeGPS NZ : LINZ Topo Maps

    James Associates Inc.

    Track routes, view , navigate outdoors

    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.

    ★ 5.02 ratingsNavigation$2.99Data updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.