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 161–180 of 1,000 ranked alternatives.

  1. Lignes d’Azur Mobile app icon

    Lignes d’Azur Mobile

    Regie Ligne d Azur

    Public transport for Nice Côte d’Azur.

    The app provides personalized route searches with clear step-by-step directions. It offers real-time bus and tram schedules and network disruption information.

    ★ 4.2580 ratingsTravelFreeData updated 2026-09-17
  2. Measure Map Pro app icon

    Measure Map Pro

    Blue Blink One, SL

    Measure distances and areas with precision.

    The app measures distances, perimeters, and areas with precision over satellite images. It calculates surface areas, dimensions for fencing, and more without needing to be on location.

    ★ 4.6821 ratingsUtilitiesFreeData updated 2026-09-20
  1. Compass • app icon

    Compass •

    Tevfik Yucek

    Navigate and track your location

    Navigate using precise latitude and longitude coordinates. View real-time sunset and sunrise times. Use integrated flashlight to illuminate paths. Track location for outdoor activities.

    ★ 4.7172 ratingsNavigationFreeData updated 2026-09-06
  2. Pro Compass for Watch app icon

    Pro Compass for Watch

    Craig Hunter

    Navigate with a 3D floating

    Pro displays a 3D floating with true and magnetic modes using a damped rosette-style ring. It shows local sun and moon positions that update in real time. Users can adjust settings and view directional data.

    ★ 4.220 ratingsNavigation$1.99Data updated 2026-10-19
  3. iHikeGPS : Classic Topo Maps app icon

    iHikeGPS : Classic Topo Maps

    James Associates Inc.

    Navigate with topographic and GPS

    Track location and movement with GPS. View USGS, US Forest Service, and Canadian . Log trails and waypoints. Navigate offline in areas without cell signal. Display elevation and terrain details. Share route data and historical tracks.

    ★ 4.460 ratingsNavigation$4.99Data updated 2026-10-21
  4. Nautical Nomograph app icon

    Nautical Nomograph

    Universal Queue LLC

    Calculate time, speed, and distance

    Calculate time, speed, and distance with interactive charts. Input variables to solve equations. Convert units and view results instantly. Share solutions and save calculation history. Sync with charts for accurate route planning.

    ★ 5.05 ratingsNavigation$4.99Data updated 2026-10-17
  5. Satellite Finder & GPS Tracker app icon

    Satellite Finder & GPS Tracker

    Aleksandr Alekseev

    Choose , get direction

    Guide users to align dishes using GPS for accurate direction. Display positions and help locate the signal. Provide step-by-step instructions for dish installation and signal optimization.

    ★ 4.41,011 ratingsReferenceFreeData updated 2026-09-06
  6. Compass Maps - Digital Compass app icon

    Compass Maps - Digital Compass

    KIET NGUYEN TAN

    Navigate, measure, and share locations

    Displays real-time traffic and satellite views. Shows current location and allows address input. Measures land area and calculates radius and corners. Shares location via email, SMS, or social networks. Auto-updates direction based on movement.

    ★ 4.6545 ratingsUtilitiesFreeData updated 2026-09-06
  7. iTools - Pocket Multi Tool app icon

    iTools - Pocket Multi Tool

    Apostolos Samaras

    Navigation emergency multitool always in pocket.

    The app provides location information, including address and coordinates, with a compass and map view. It also features a seismometer to alert users of earthquakes and allows sharing of precise locations via email or message.

    ★ 4.0447 ratingsUtilities$1.99Data updated 2026-09-26
  8. Spartan Forge: Hunt app icon

    Spartan Forge: Hunt

    Spartan Forge LLC

    Find land boundaries and units

    Plan hunts with detailed LiDAR maps, satellite imagery, and deer movement predictions. Access land boundaries, ownership data, and parcel change alerts. Customize LiDAR layers and overlay crop data for strategic scouting.

    ★ 4.3640 ratingsNavigationFreeData updated 2026-10-23
  9. AnchorQueen Jules app icon

    AnchorQueen Jules

    Barkin Takmaz

    Monitor anchor position in real time

    Monitor boat position and anchor status in real time. Receive alerts if the anchor drags or moves unexpectedly. Track vessel location and set custom alarm thresholds. View historical data and manage settings for multiple vessels.

    ★ 4.5164 ratingsNavigationFreeData updated 2026-09-12
  10. Miami Travel Guide app icon

    Miami Travel Guide

    Gonzalo Juarez

    Explore locations and events

    Explore with augmented reality overlays, access offline maps, and get detailed public transportation guides for Metrorail and Metromover. Find attractions like Little Havana and Vizcaya Museum and Gardens with location-based recommendations.

    ★ 4.7218 ratingsTravelFreeData updated 2026-09-08
  11. Mars Info Lite app icon

    Mars Info Lite

    Viktor Goltvyanytsya

    Explore with gesture controls

    Explore by rotating, tilting, and zooming a 3D globe. Select locations to view topographical data and gravity maps. Pinpoint key features like volcanoes, craters, and spacecraft landing sites.

    ★ 4.4200 ratingsEducationFreeData updated 2026-09-10

How we rank alternatives

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