Apps Like Celestial Navigator for iPhone and iPad
Calculate positions, track objects, plot lines
Navigation provides perpetual almanac and star finder chart with animation. Calculates lines of position, object data, and meridian passage. Supports running fixes and astronomical position calculations with multiple star observations.
Celestial Navigator screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.


i-Boating: Marine Charts & Gps
Bist LLC
Navigate with and river
Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.


Coordinates – GPS Converter
Mapnitude Company Limited
View , convert formats, manage locations
View and convert geographic across multiple formats and datums. Manage locations with an intuitive interface. Display current location at the intersection of two grey lines. Export in various global systems.

Mgrs & Utm Map
Vahid Cataltas
Navigate with GPS and coordinates
Display current location using GPS, GALILEO, and GLONASS. View position on various map layers. Import and export KML files. Navigate with coordinate systems. Track movement during outdoor activities.


Fitmeter Bike Basic - Cycling
Volker Schueppel
Track rides, measure performance, control settings
Track sessions with real-time GPS data showing speed, average speed, distance, and elevation. Monitor heart rate and cadence. Save routes, analyze performance metrics, and sync data with fitness platforms.

PRO CHARTS - Marine Navigation
MiraTrex, Inc
Navigate and track your route
View high-resolution NOAA nautical with depth data for U.S. coasts, Great Lakes, major rivers, Brazil, and global areas. Navigate using GPS, track vessel position, and set waypoints. Access tidal information and route planning tools.



Tide Chart USA
Yasunori Kuroki
Track tides and fishing conditions
Display tidal information for U.S. locations. View current and predicted levels. Set custom alerts for specific times and locations. Share data via email or social media. Track historical patterns.


Aqua Map Boating
GEC s.r.l.
Download charts, navigate offline, connect instruments
Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.

QLess
QLess, Inc.
Join virtual queues and save time
Find businesses near you and join their virtual lines. Manage your spot in line with real-time wait time and position updates. Move back in line if needed and receive notifications when you're next.


Gauges: Speedometer & Sensors
Boluga Limited
Track speed, altitude, and barometric pressure
Provides GPS altitude and pressure altitude readings. Displays speed in kph, mph, and knots. Measures barometric pressure in multiple units. Tracks acceleration in G forces. Shows location, magnetic, and true heading.

Garmin Pilot
Digital Cyclone
Track weather and plan flights
Plan flights with detailed route mapping, weather data, and fuel calculations. Access real-time weather briefings and interactive charts. Log flight details and manage preflight checklists. Sync with avionics for consistent navigation.



Fitmeter Bike - GPS Cycling
Volker Schueppel
Track data and monitor performance
Track sessions with real-time GPS data including speed, average speed, distance, and elevation. Monitor heart rate and cadence. Save routes, analyze performance metrics, and sync data with fitness platforms.
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