The app computes distance and bearing using Maidenhead location. It displays a map with annotations and overlays identifying grid areas, and allows users to add new annotations by touching the screen.
by Thomas Sullivan★ 5.02 ratingsUtilitiesFreeData updated 2026-10-26
Find prayer using device compass and GPS. Display bearing and compass needle. Set location manually or automatically. Works offline and without internet. No location data is shared. Adjust compass for accurate readings.
Find the cheapest gas with a map view showing price comparisons. Set price alerts and receive notifications. Compare fuel prices across multiple in real time. Track historical price data and view price trends. Share station details with others.
The app offers a density altitude calculator for weather comparisons and a field elevation calculator. It also includes a geographic coordinates converter and a geographic distance calculator.
The app calculates RF link characteristics, including wireless internet links. It computes maximum distance, required transmitter power, or gain margin.
The app displays a compass bearing with gyroscope enhancement. It functions on an HD Retina display and is a universal application for iPhone and iPad.
Determine the direction for prayer using iPhone compass. Display angular difference as "Delta". Older devices require external compass for magnetic north alignment.
Track real-time positions, distance, and direction with a high-precision GPS module and LoRa radio. Share location updates and communicate during outdoor activities without needing Wi-Fi, cell service, or subscriptions.