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.
Showing 221–240 of 1,000 ranked alternatives.
AirSpayce Pty Ltd
Navigate with historical interface
Simulate the Apollo Guidance Computer interface with a realistic keyboard layout. Tap the 'i' icon for help. Navigate through mission scenarios, input commands, and view system status displays as used during Apollo missions.
TicketLens GmbH
Plan trips, compare tours, build itineraries
Plan trips by asking AI for step-by-step guidance. Explore attractions like castles and river cruises. Compare and book tickets, tours, and activities within the . Save favorite places and activities for future reference.
Changrong Yao
Offline tide times for Australia.
The app provides tide times for over 600 Australian locations, functioning offline without a signal or data connection. It includes interactive tide graphs, sunrise, sunset, moon phase, and Apple Watch support.
Changrong Yao
Check and track your location
Find tide times and heights for coastal areas in . Search for locations by name or select nearest ones. View tide graphs in meters or feet. Save favorite locations for quick access. Function without an internet connection.
Flytomap
Access real-time NOAA buoy data.
The app provides real-time NOAA buoy data including tides, wave height, wind speed, and atmospheric details. Users can explore a global marine map, access detailed charts, and receive location-specific forecasts for iPhone, iPod, and iPad.
Chris Doyle Publishing Limited
Navigate with accurate sailing charts
Search for points of interest using a 3000+ database filtered by distance. View results on an interactive map with detailed information. Access nautical charts, regulatory details, marina locations, and yacht services.
Verona Solutions, LLC
Marine weather and tide data.
The app provides weather data from NOAA's National Data Buoy Center, including tide predictions and moon phases. It allows users to view buoy data, save selected, and access location-specific forecasts for planning water activities.
Taiji Matsuoka
Organize events by type and group.
The app organizes events separately by type. It allows users to search for the nearest event within each group.
Diego Resnik
Navigate with turn-by-turn directions
Navigate with turn-by-turn directions using Google Maps or Mapbox. Play music from Apple Music or Spotify with large buttons. Listen to podcasts online or offline. Customize themes, button layouts, and colors.
Alejandro Martinez de Carvajal
Sailors' tool for bearings and navigation.
The app provides tools for sailors to take apparent bearings, showing the bearing taken, target course, and wheel correction. It also offers speed, real-time position, and assistance in determining wind direction.
NV Chart Group GmbH
Navigate with digital and harbour data
Access digital nautical for offline use. View comprehensive harbour details and features. Compatible with NV paper . Supports North Sea, Baltic Sea, Netherlands, Wadden Sea, and Ijsselmeer regions.
Anthony Dunk
Seek, find, record, and return.
The app provides navigation for outdoor activities, allowing users to view their location in UTM or Lat/Lon. It supports recording and returning to waypoints, track logs, and exporting data to KML, GPX, or CSV files.
Benjohn Barnes
Locate the sun's position and timing.
The app transforms an iPhone into a tool to locate the sun's position and timing. It utilizes the device's compass to provide sun data for various activities.
Smirnov Yury
Study COLREGs rules with flashcards
Learn COLREGs through flashcards organized by specific rules. Answer questions to reinforce knowledge. Automatically save progress and reset results as needed. Track learning progress over time.
Sentinel d.o.o.
Monitor boat position and systems
Monitors boat position and vital systems in real time. Sends alerts for unexpected changes. Integrates with Boat Monitor. Allows remote access to system data. Provides security and comfort features for boat owners.
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