Calculate , altimeter setting, relative air , and relative humidity using GPS, weather data, and the phone's barometer. Track specific humidity in grains per pound. Suitable for pilots, engine tuning, and outdoor activities.
by Kristian Ljungkvist★ 4.81,043 ratingsNavigation$3.99Data updated 2026-11-09
Tracks location, speed, altitude, heading, acceleration, g-force, and atmospheric pressure. Displays and records current weather. Plays back tracks at multiple speeds. Provides suggested routes for reference. Allows pausing and resuming tracking.
The app provides local weather information for the United States and its territories. It includes a radar view, hourly forecasts, and a 7-day outlook with detailed weather charts.
View weather trends for the next 48 hours with graphical depictions of temperature, atmospheric pressure, humidity, wind speed, and cloud cover. Tap anywhere on the chart to see specific data.
Calculate solar radiation intensity using equations for pyranometers or quantum sensors. Estimate global shortwave radiation or photosynthetic photon flux density. Determine recalibration needs for radiation sensors based on location and time.
Monitor elevation with a large, clear display that adjusts to your device. Choose between GPS or barometric sensors. Track real-time elevation changes. View barometric pressure in multiple units. Display accuracy details visually.
Create and manipulate granular audio with real-time sound file granulation. Generate effects like time/pitch shifting and intricate textures. Record, scrub, and shape envelopes. Manipulate buffers and explore complex scrub pads.
Provides readings using either device GPS or the ASTER digital elevation model. Displays accurate elevation data with a horizontal accuracy of 30 meters. Functions on devices without a GPS sensor.
The app provides tools for radio engineering calculations. It can add and subtract dB values, convert noise parameters, and transform return loss metrics.
Monitor , air pressure, and oxygen levels in real time using GPS and sensor data. Customize theme and background. Track environmental changes with precise measurements and dynamic updates.
View current in mph, km/h, knots, and other units. Display altitude above sea level. Track max and altitude during trips. Monitor distance traveled in trips. Check on Apple Watch. Pro upgrade unlocks custom colors, HUD mode, and ad removal.
Navigation provides altitude, barometric pressure, and compass readings. Measures humidity, rainfall, and temperature. Includes magnifying glass, metronome, ruler, and spirit level. Displays speed, vertical speed, and VU meter.