Measure heights of mountains and buildings with ±0.5m accuracy using the device's sensors. View current barometric pressure. Compatible with iPhone 6, iPhone 6 Plus, and iPad Air 2.
by 勇 张★ 3.05 ratingsTravelFreeData 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.
Measure altitude using barometric pressure without GPS. Display real-time altitude readings. Track pressure changes over time. Set altitude alerts. Sync with Apple Watch for stand-alone use.
View real-time animated images with color-coded precipitation. Check future forecasts and detailed data through interactive map layers. Access fire and air quality indexes. Identify freezing rain for road hazard warnings.
Displays altitude using a digital readout and an analog gauge. Tracks maximum height reached during use. Shows altitude accuracy and sensor quality. Utilizes GPS and barometric sensor for precise measurements.
Determine using GPS, barometer, or location input. View data on interactive maps. Access real-time altitude readings. Compare changes across locations. Save and share measurements.
Displays current position via GPS with a map and sea level measurement in meters. Converts meters to feet using a calculator. Measures barometric pressure with a sensor for altitude tracking. Alerts for potential flooding.
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.
Check current weather, wind speed, air quality, and sea conditions. View radar images and meteograms. Customize widgets. Access live webcams. Set alerts for severe weather. Track forecast changes in real time.
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.
Monitor air pressure and altitude using built-in sensors. Track pressure changes to predict short-term weather shifts. Alert users about pressure impacts on migraines, headaches, and joint pain.
Measure areas and calculate distances using GPS. Draw polygons on maps to calculate field areas. Save and share data. Access detailed maps and satellite imagery for accurate surveying.
Display current location and customizable info on large text screens. Create waypoints using location, crosshairs, or coordinates. Organize waypoints into overlays and navigate to them with arrows or maps. Track movement and view location details.
Monitor and altitude using the device's internal sensor. Track changes to predict weather patterns. Provides altimeter readings for elevation awareness.
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.
Track altitude, atmospheric pressure, GPS coordinates, direction, speed, and air pressure in real-time. Share photos with altitude and location data on social networks.