Best Perpetual Nautical Almanac Apps

5.0(1 ratings)

$6.99

Calculate precise celestial positions for navigation from 1900 to 2050. Get real-time data on the Sun, Moon, planets, and stars, including rise/set times and atmospheric corrections.

EZ Nautical Almanac by EZ Celestial LLC

ezNA

Strong Contender

5.0(5 ratings)

$9.99

Access 100 years of nautical almanac data digitally, from 1960 to 2059. This app offers enhanced navigation features like instant page access, highlighting, and zoom, supporting celestial navigation activities offline.

Navigation Almanac by Vladyslav Zenchenko

Celestial navigation offline

Worth Considering

GPS-free navigationCamera-based celestial sightingsAutomatic position plotting

5.0(2 ratings)

Free

This app provides a comprehensive offline celestial navigation toolkit. It calculates celestial body positions, sunrise/set times, and sky charts. It also offers tools for compass error correction and position fixing, all without requiring an internet connection.

More Perpetual Nautical Almanac apps to explore

EZ Sextant

Navigate without GPS

$24.99

Navigate open waters using your phone's camera to sight celestial bodies. This app plots lines of position and combines them for an estimated location on a lat/lon grid. It's a powerful tool for offshore navigation without relying on GPS.

(4)

Route calculationPoint on Rhumb Line/Great CircleCelestial navigation

Nautical Calculator Pro

by Giacomo Gabriele

$8.99

This app provides comprehensive tools for solving complex nautical navigation calculations, including route planning, celestial navigation, and tidal predictions. It features a world map for route visualization and offline functionality for map display.

(3)

Nautical Charts & Marine Maps

Nautical Charts & Maps

$8.99

Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

NOAA Electronic Navigational Charts (ENC)Offline chart downloadsDetailed chart information

This app provides advanced celestial navigation computations for iPhone and iPod touch. It offers mathematical and graphic solutions for position fixes, great circle sailing, and more, including lunar distance methods and a sight planner for accurate results.

Celestial sight reductionsPosition fixes and great circle sailingLunar distance method for GMT

(8)

OceanPulse: Marine Navigation

Compass Observation App

Boat GPS, NOAA Charts & Tides

NOAA nautical chartsOffline chart downloadsRoute planning and navigation

This marine navigation app transforms your device into a chartplotter. Access NOAA nautical charts, plan routes, track voyages, and view tides, currents, and weather, even offline.

(1)

Automated sight reduction and LOP plottingManual Nautical Almanac and Pub. 229 table accessObservation archiving and restoration

EZ Celestial Navigation

ezAlmanacOne

$29.99

This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.

(26)

Almanac Chinese Lunar Calendar

Traditional Chinese Almanac

Lunar calendar detailsHoroscope and zodiac informationSolar Terms and Five Elements

Access traditional Chinese almanac data, including lunar calendar, zodiac, horoscopes, and five elements. Information spans from 1901 to 2099. Primarily available in Simplified and Traditional Chinese.

📊 Productivity

(7)

Sundial Solar & Lunar Time

Sunrise sunset widget alarm

Sunrise/sunset cycle displayTwilight time trackingCustomizable event alerts

This app provides detailed information about the sun and moon's cycles, including sunrise, sunset, and twilight times. It offers customizable alerts for various solar and lunar events and features a time travel function to view past and future celestial positions. Widgets and an Apple Watch app offer convenient access to this data.

☀️ Weather

(4.6K)

Nautical navigation, offline

moodSailor

Offline GPS tracker for boat

(0)

Marine Navigation Lite

Lifetime map ownershipOffline GPS chartingCustom map creation from images

This app offers offline GPS charting for marine use, allowing users to own their maps permanently. It provides advanced navigation tools, custom map creation from any image, and respects user privacy by not tracking or selling data.

(0)

Orca: Boat GPS, Charts, Routes

GPS Chart Route Sail Powerboat

Marine chartsIntelligent routingLive AIS tracking

Navigate the waters with advanced marine charts, intelligent route planning, and real-time weather and vessel tracking. This app offers offline chart access and can integrate with hardware for a comprehensive boating experience.

(402)

Learn to navigate by the stars

Sextant — Celestial Nav

$9.99

This app provides a comprehensive celestial navigation toolkit for sailors and enthusiasts. It allows users to navigate using celestial bodies like the sun, moon, planets, and stars, even when GPS is unavailable. The app guides users through taking sextant readings, performing calculations, and plotting positions on a map.

Celestial body identification using camera and ephemerisSextant sight reduction with manual correction checksOffline celestial navigation

(0)

TZ iBoat – Marine Navigation

Boat GPS, Charts, AIS, Tides

Offline marine chartsGPS and route planningAIS Online tracking

Navigate the seas with advanced marine charts, GPS, and AIS data, even offline. This app offers detailed bathymetry, community-contributed map data, and dynamic features for safe boating, sailing, and fishing.

(880)

See Space and Time at a Glance

Spacetime Clock

Moon phases visualizationEarth rotation and revolution simulationLatitude and longitude display

$0.99 | 100% OFF

Explore celestial mechanics and terrestrial positioning with this app. Visualize moon phases, Earth's rotation, and your location's latitude and longitude. It also includes a compass and level meter for your device.

🔧 Utilities

(4)

B&G: Companion App for Sailors

Great sailing charts

Detailed C-MAP chartingRoute planning and Autorouting™Marine weather forecasts

This app provides sailors with advanced navigation tools, including detailed charts, route planning, weather forecasts, and marine traffic information. It can be used standalone or synced with compatible onboard electronics for a comprehensive on-water experience.

(374)

Astrolabe Clock

by Michael Smith