Calculate distance and heading along great circle.
The app calculates distance and heading along the great circle between two positions. It uses GPS for the start position or allows own input, and provides GPS speed and course.
by Lars Hansen★ 1.01 ratingsNavigation$0.99Data updated 2026-10-30
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.
The app converts between DMS, DM, DD, UTM, and MGRS coordinate systems. It provides real-time GPS coordinates and calculates the distance between two points.
View topographic of the United States with options for standard or hybrid map sources. Download for offline use and track current location on the map. Navigate using map features and explore terrain details for outdoor activities.
Track prayer times based on GPS location and current city. View accurate Qibla direction using digital compass. Access Hijri calendar for date calculations. Set reminders for Salat. Sync with location to update prayer times automatically.
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.
Display and coordinates using iPhone GPS. View precise location data instantly. Features a clean interface for quick reading of coordinates. No unnecessary features or tabs.
The app determines a remote GPS location using compass bearings from multiple geolocated points. It supports automated or manual entry of readings and displays results on a map.
Tracks current, maximum, and average speed using GPS. Displays speed in analog and digital formats with colorful LED. Records distance traveled and trip time. Functions as a trip meter and for vehicles, walking, running, biking, and boating.
Plan and navigate boating trips with real-time tracking and high-resolution digital charts covering the US, Europe, and other regions. View vector charts with tappable buoys and lights. Pan and zoom seamlessly across maps.
Set alarms using Siri Shortcuts or voice commands. Choose alarm type based on position, bearing, distance, or coordinates. Access widgets on iOS14 Home Screen. Switch between day and night themes and metric or imperial units.
The app records user routes with GPS, allowing users to relive journeys using maps, photos, and speed data. Users can view color-coded tracks by speed or elevation and browse photos taken along the route.
View current speed with a scalable . Track total distance and trip data including max and average speed. Export trip data as GPX, CSV, or KML files. Receive alerts when speed exceeds or falls below set limits.
Displays prayer times for Fajr, Shorouq, Dhuhr, 'Asr, Maghrib, and I'sha using GPS positioning. Shows Qibla direction compass and Islamic calendar. Provides alarm notifications for prayer times.