Torr app icon

Torr

Real-time barometric pressure & altitude, with 10-day forecasts and migraine alerts.

★ 4.3 · 1,000+ ratingsiPhone · iPad · Apple Watch · AndroidFree · In-App Purchases

Screenshots

Features

  1. 01

    High-Precision Barometer

    Real-time atmospheric pressure from your device's built-in sensor. Works offline with no internet required.

  2. 02

    Altimeter

    View altitude from four sources side by side on arch gauges: sensor, GPS, QNH (sea-level corrected), and a calibrated value matched to a known elevation.

  3. 03

    10-Day Pressure Forecast

    Up to 10 days of sea-level pressure and weather forecasts, with headache and weather sensitivity alerts based on published research.

  4. 04

    Auto-Logging History

    Automatic data recording with background measurement mode. Export daily history to CSV files.

  5. 05

    Apple Watch

    Check barometric pressure and altitude instantly from your wrist, with a complication on your watch face.

  6. 06

    Live Activity & Widgets

    View real-time data on Dynamic Island, Lock Screen, and Home Screen widgets without opening the app. Get a daily pressure forecast notification.

  7. 07

    Torr Pro

    The full 10-day forecast anytime, 30 days of past pressure, pressure alerts, graph widgets, and no ads.

Supported units

  • Torr
  • hPa
  • mmHg
  • inHg
  • psi
  • mbar
  • kPa
  • m
  • ft

Color themes · 8 languages · No account required

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Free on iPhone, Apple Watch, and Android.