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 2026-09-09
Get real-time alerts and hyperlocal updates. Track hurricanes, tornadoes, and severe storms. View live radar and storm warnings. Monitor air quality and extreme conditions. Set location-based alerts and receive detailed forecasts.
Track with real-time GPS data and accuracy. View trip distance using a digital odometer. Access HUD mode for display on the windshield. Set customizable alerts. Function without an internet connection.
Calculate groundspeed, true heading, compass heading, leg time, distance, fuel required, fuel flow, and endurance for flight planning. Convert airspeed, altitude, and temperature.
Display current, maximum, and minimum altitude using GPS. Switch between meters, feet, and yards. Adjust scale increments of 10, 100, 1000, or 10000. Track altitude changes during hiking or travel.
Navigation allows users to view direction aligned with satellite imagery or maps. Displays street address, GPS coordinates, elevation, and What3Words codes. Taps switch between satellite and map views. Pinch or spread to zoom.
Monitor with real-time updates. Set configurable limits with four presets. Alert with color change and sound when exceeding limits. Emit loud sound for speeding alerts. Track during driving. S.O.S. mode for flat tyre emergencies.
View and current predictions without an internet connection. Access daily, weekly, monthly, and yearly graphs. Monitor multiple stations. Receive high and low alerts. Sync with Apple Watch for notifications.
Track tides and lunar phases with NOAA data. Set custom alerts for high and low tides. View offline information. Access lunar calendar and historical data. Share details via social media. Sync with Apple Health for activity tracking.
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.
Navigate and ZooAmerica with a customizable map. View ride details, attraction locations, and entertainment schedules. Access personalized ride stats and photos through an HPGO account. Find food, shopping, and park information.
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.
Display directions and current location data. View altitude, barometric pressure, and coordinate details. Navigate using coordinates and save location bookmarks. Track sunrise and sunset times. Show solar elevation and azimuth angles.
Battery monitor tracks device charge level and health. Currency converter switches between 195 currencies and 3 precious metals with manual or automatic rate updates. Date calculator determines days between two dates.
Track speed, distance, altitude, and heading with real-time GPS data. Record trips with route tracking and save journeys for later. View live maps with position updates. Export trip data for analysis.