LiveHeight

LiveHeight turns your iPhone's built-in barometer into a precision altimeter that reveals altitude changes as small as a few centimeters, live, on a clean dashboard with a real-time sparkline. PRECISION ALTITUDE • Live altitude from the iPhone's barometric sensor • Altitude above sea level, fused from GPS and the barometer • Real-time sparkline to watch every rise and fall • Metric or imperial units STORM WATCH (works offline) • Tracks atmospheric pressure trends to warn you before storms roll in • No signal needed, built for the backcountry • Optional background monitoring, off by default and fully under your control BUILT FOR HIKING • Track a hike and save it to Apple Health as a workout • Topographic maps and 3D terrain views • Elevation profiles and terrain lookups for the trail ahead • Hike prep cards with the essentials before you set off • Outdoor conversion tool for multiple occasions • Sunset times so you know how much daylight is left • Emergency mode: continuous location tracking, then a power-saving standby that keeps your position findable for days so rescuers can reach you PRIVATE BY DESIGN • No account, no ads, no tracking • Your readings stay on your device • Health data is never sold or shared Whether you're chasing a summit, watching the weather turn, or just curious how high you are right now, LiveHeight gives you the numbers instantly and accurately.