AirLevel

AirLevel monitors your real-time altitude, barometric pressure, and estimated blood oxygen saturation (SpO₂) using your iPhone's built-in sensors. Designed for mountaineers, hikers, pilots, and anyone working at high elevation, AirLevel gives you accurate environmental data with health-aware alerts. FEATURES · Real-time altitude from barometric sensor · Estimated SpO₂ based on altitude · Barometric pressure gauge · 7-day altitude history with profile chart · Health condition-aware alerts (COPD, Heart Disease, Asthma and more) · Fully offline — no account required · Available in English and Turkish IMPORTANT SpO₂ values shown are estimates based on altitude. This app is not a medical device and should not replace professional medical advice.