Measure atmospheric pressure and altitude. Switch between pressure units like hPa, mmHg, and inches of mercury. Display real-time readings and track changes over time.
by Chen-Yu Wei★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
Measure atmospheric pressure and altitude using built-in GPS and pressure sensor. Automatically calibrate readings with local meteorological station data. Display current pressure and elevation levels. Save historical data for reference.
Measures atmospheric pressure, altitude, and temperature using device sensors. Displays real-time readings and historical data. Alerts for pressure changes. Syncs with weather services for forecast updates.
Monitor atmospheric pressure with sea level adjusted readings. View pressure charts and select from 20 background colors. Display pressure in multiple units including hPa, inHg, and kPa. Compatible with various iPhone and iPad models.
Measure altitude using barometric pressure and GPS data. Display altitude in feet and meters with real-time accuracy. Calibrate sensor and switch between day and night display modes.
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.
Measure altitude using barometric pressure and GPS data. Display real-time altitude readings. Save and review altitude logs. Sync data with iPhone apps. Set altitude alerts and track elevation changes during outdoor activities.
Provides bright illumination with adjustable brightness and color temperature. Includes compass, altitude tracking, disco mode, and multiple strobe settings. Allows users to switch skins and customize light output.
Calculate ballistic trajectories with detailed data including 4000 cartridges and 3300 reticles. Visualize trajectories, compare different cartridges, and adjust for barometric pressure, altitude, temperature, and wind.
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 .
GPS tracks current speed, distance, and altitude. Displays average and maximum speed. Shows speed limits in real time. Supports mph, km/h, and knots. Measures travel time and battery level. Works offline.
Tracks barometric pressure and altitude using device sensors. Records data continuously in the background. Displays interactive graphs for pressure trends over time. Supports auto-updating widgets for real-time weather insights.
Provide accurate GPS coordinates and altitude readings. Display direction and map integration. Enable location-based reminders and track movement routes. Adjust settings for different navigation modes.
Display current direction, altitude, latitude, and longitude. Show real-time barometric pressure and movement speed. Track geographic location. Switch between "Classic" and "Sunset" visual themes with premium color schemes.
Measure atmospheric pressure using the device's barometric sensor. Determine elevation with GPS-based altimeter. Access a ruler, surface level, metronome, stopwatch, timer, and seismometer. Includes flashlight.
Monitor earthquakes with real-time updates and GPS compass maps. Display professional data including altitude, orientation, air pressure, and coordinates. View environmental metrics like humidity and temperature.
Control your vehicle remotely by starting the engine, adjusting cabin temperature, and locating your car. View fuel level, tire pressure, and odometer data. Schedule service and request roadside assistance directly from the .
Calculate barometric pressure using mercury barometer measurements. Input meniscus heights, instrument temperature, and gravitational acceleration. Convert between pressure units and display results.
Tracks location, speed, altitude, heading, acceleration, g-force, and atmospheric pressure. Retrieves and displays current weather data. Records tracks up to 10 minutes or 10 kilometers. Plays back tracks at multiple speeds.
Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.