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 281–300 of 1,000 ranked alternatives.
Zef
David Kieffer
Track races and jump heights
Track performance in sailing, kitesurfing, windsurfing, snowkiting, and landkiting. Record jump height using iPhone or Apple Watch with drone-inspired algorithms. Organize races for championships or training.
Venice Travel Guide & AI
TicketLens GmbH
Create itineraries with AI
Plan trips by asking AI for step-by-step guidance. Explore attractions like basilicas and bridges. Compare and book tickets and tours within the . Save favorite locations to create a personalized itinerary.
Mapply for Open Street Map
Florian Chrometz
Navigate maps and explore routes
Explore maps with detailed satellite views, hiking trails, and topography. Navigate transport networks and view railway routes. Access terrain analysis and seas. Customize map layers for OpenStreetMap and tile-based maps.
Meet Star Gazers
Sujay PATIL
Find stargazing spots and track sky quality
Find stargazing locations based on distance, sky quality, and observation type. Check horizon clearance, parking space, and power availability. Plan trips with detailed location details and accessibility options.
Radius: Distance From Me
Historycentral.com Inc
Create circles on maps
Visualize distances on maps with customizable circles. Set parameters and units. Display areas to check proximity of locations. Track multiple points within defined ranges.
Tokyo Rail Map+ Lite • Yokohama, Saitama, Chiba
Ansgar Vollmer Und Till Knorr
Plan trips, view routes, find stations
View detailed and subway routes with interactive maps. Plan trips by finding fastest routes and transfer points. Access a stations index for quick navigation. See line-specific station orders and transit options. Use GPS to locate nearby stations.
Flight night time
Andrej Hyll
Calculate night flight time offline easily.
This offline application helps pilots calculate night flight time. The app uses algorithms for distance and sunrise/sunset calculations, with adjustable night definitions based on regulations.
Bike Tracks
Core Coders Ltd
Record rides and save maps offline
Record cycling rides with offline maps and GPS tracking. Add routes via GPX files or existing rides. Overlay routes on maps. View climb categories and ride history without internet. Import photos and attach to rides. Sync with Health .
i-Boating: Canada & USA - Marine / Nautical Navigation Charts for fishing & sailing
Bist LLC
Navigate with voice prompts and chart support
Access vector and raster for . Create or import GPX/KML routes. Use voice prompts for route guidance. View tide and current predictions. Rotate with text remaining upright. Supports chart course orientation.
Maplet - Location Pins
Gemsheer Chalil
Save locations with and notes
Save and organize locations with titles, notes, photos, and voice memos. Create folders to group locations. Share across major map apps. Track and manage work sites, travel stops, or personal places. Set private access and view details.
MapTap
Harold Mueller
Browse maps and switch views
Browse digital maps with multiple view options including standard Apple Maps, satellite, hybrid, USGS topographic maps, orthophotos, NOAA nautical charts, and Open Street Map. Navigate, zoom, and search for locations across different map layers.
Seamanship
Calculated Industries, Inc.
U.S. Coast Guard approved boating procedures.
The app provides information and procedures for boaters. It contains approved methods and procedures for Coast Guard boat operations, serving as a primary reference for training.
Amsterdam Travel Guide & AI
TicketLens GmbH
Glide through canals and compare tours
AI Assistant provides step-by-step guidance based on user questions. Users can explore attractions like museums, canal cruises, and tulip day-trips. The allows comparison and booking of tickets, tours, and activities.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.