Calculate altitude using GPS, ASTER, or barometer (iPhone 6 and later). Display average altitude from GPS and ASTER data. Show peaks, compass, and distance grid on an integrated map. Support Apple Watch. Choose unit of measurement.
Displays real-time direction and with a compass interface. Show average and gust speeds, along with hourly and daily forecasts. Search for any city to view data. Track patterns for current location.
GPS speedometer displays real-time speed for driving, biking, or walking. Measure trip distance offline. Track altitude for planes. Switch between mph, km/h, and knots. Use Today Widget or Apple Watch. Adjust screen color and toggle mirror .
The app collects detailed weather information including wind speed, direction, temperature, and humidity. Users can share these reports instantly through various platforms and online weather services.
Calculate using device sensors without internet or location data. Track average and gusts in the background. Includes a Watch with display on the watch face.
Perform calculations using a scientific or voice input. Access calculation history by swiping down. Copy and paste values. Switch between light and dark themes. Enable larger buttons for easier use.
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Track speed using GPS with options for mph, km/h, and knots. Display city name and compass if enabled. Show traveled distance and optional average and maximum speed. Choose from multiple interface colors. Record speed during trips.
The app provides wind speed and direction, sunrise/sunset times, and temperature. Users can view hourly and daily forecasts, select units for wind speed and temperature, and choose compass declination.
Calculate by entering speed and air temperature. Support units for air temperature including °C, °F, and Kelvin, and speed in mph, km/h, m/s, and knots. Include a temperature converter for unit conversion.
Display current speed using GPS and show speed limits via online checks. Alert when exceeding speed limits. Track weather, temperature, odometer, altitude, and average/max speed.
View and download NOAA electronic navigational for offline use. Access in NOAA or ECDIS formats. Overlay NOAA weather for real-time conditions. Display buoys, beacons, lights, and natural/man-made features. Track radar and fog signals.
The app provides detailed wind and weather forecasts for over 160,000 locations. It offers real-time measurements from 21,000 weather stations and tide forecasts for over 20,000 locations.
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.
Track wind conditions with detailed forecasts, maps, and compass readings. Monitor wind speed, direction, and gusts. Receive push notifications for wind alerts and storm warnings.