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 121–140 of 1,000 ranked alternatives.
BRP GO!: Maps & Navigation
Bombardier Produits Recreatifs Inc.
Track trips, save routes, share locations
Plan and save trips with detailed and route creation. Share trips to track friends' positions. Use turn-by-turn for snowmobiles and off-road vehicles. Access offline and official trails. Save points of interest and explore locations.
Compass 55. Map & GPS kit.
Kalimex-Consulting s.r.o.
Navigate with map, , and GPS
Navigation allows users to view and share GPS coordinates in six formats. It includes a , altitude, distance, and sunset/sunrise tracking. Users can set and edit waypoints with photo or audio notes.
GPX-Viewer
Kyle Modesitt
View files from cloud or device
View and manage files with customizable map displays. Import files from cloud services, local devices, or emails. Choose between Apple Maps, Google Maps, OpenStreetMaps, or custom tile sources. Adjust colors for waypoints, track points, and routes.
Rankers Camping NZ
Rankers.co.nz Ltd
Find spots offline
Find legal spots across New Zealand with detailed location information and offline maps. Search by region or trail. Access rules and permissions. Share locations with others. Sync with Apple Health for activity tracking.
RunwayMap - #1 Pilot Community
RedDev GmbH
View airports, track weather, and access runways
Visualize approaches and landings with 3D views of airports and their surroundings. Access aviation weather forecasts, NOTAM data, runway information, airport restaurants, and webcams. Track real-time conditions and navigate airport layouts.
Deer Hunters MoonGuide 3.0
Deer Hunters Moon Guide LLC
Track moon phases and hunt seasons
Track lunar phases and cycles to plan hunting trips. View days, times, and locations for hunting. Set calendar reminders for optimal hunting periods. Sync with other hunting apps and share data with fellow .
Fishing Points-Lake Depth Maps
Bist LLC
Find spots and track depth
Access depth and marine charts for USA, Canada, UK, and other regions. Locate spots with AI-driven breakline analysis. Create or import boating routes with GPS and voice navigation. View HD bathymetry and sonar contours for precise planning.
SunCalc.net
Oleg Shanyuk
Know sunrise and sunset times.
The app shows sunrise and sunset times. It combines compass, time, and weather information, and it knows time zones to display world time.
Speedometer ×
DOUBLE U s.r.o.
Track speed, distance, and trip stats
Monitor trip data with live metrics like average speed, current speed, top speed, distance, direction, travel time, stationary time, and clock. Customize display style and speed units. Arrange metrics on screen.
SeaNav US
Pocket Mariner Ltd.
Navigate with real-time charts and tappable buoys
Plan and navigate boating trips with real-time updates and high-resolution NOAA charts. View detailed digital vector charts for US coasts, inland waters, and Great Lakes. Tap buoys and lights for bearing and distance.
13:20:Sync
The RedHouse Apps
Sync calendar, track time, plan days
View and track dates according to the Mayan Dreamspell Calendar. Set reminders for daily cycles and sync with other devices. Explore harmonic patterns and align activities with natural rhythms.
StarTracker HD - Mobile SkyMap
身吉 潘
Explore the universe with augmented reality.
The app allows users to explore the universe by pointing their device at the sky. It displays stars, constellations, and deep sky objects with graphics.
Maui GyPSy Guide Driving Tour
Gypsy Guide LLC
Explore Maui's beauty and culture.
The app offers 8 unique GPS-triggered audio tours covering Maui's landscapes and culture. It includes over 465 stories, offline navigation, and expert insights for exploring the island without needing multiple downloads.
Navionics® Boating
Garmin International
Navigate with offline charts and features
View detailed navigational charts offline with multiple overlays. Access real-time data and historical information. Plan routes and track progress. Set waypoints and measure distances. Sync with other devices for collaborative navigation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.