AltiLog – Barometer & Altitude

Turn your iPhone into a precision altimeter and barometer. Record tours, track elevation — free.

AltiLog turns your iPhone into a precise barometer and altimeter. Whether you're hiking in the mountains, cycling, or simply curious about the air pressure around you — AltiLog gives you real-time altitude and pressure readings and records every tour with a full elevation profile.

MEASURE • Live altitude in meters or feet • Barometric pressure in hPa or inHg • Semicircular arc gauge for instant visual feedback

RECORD & REVIEW • Start and stop tours with one tap • Total ascent and descent tracking • Full tour history with date and duration • Interactive elevation profile chart

EXPORT • Export any tour as PDF — great for logging hikes, climbs, or outdoor activities

Simple. Fast. No account required. No internet needed. All data stays on your device.