Blood Oxygen SpO2 Tracker

O2 Monitor, SpO2, Oxygen

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Track blood oxygen, SpO2 and O2 levels from Apple Watch. Review trends, widgets and alerts for low readings. Blood Oxygen SpO2 Tracker shows your blood oxygen (SpO₂) readings from Apple Health on iPhone and Apple Watch. Review recent values, historical trends, and notable outliers in a focused, easy-to-scan interface. Features: Latest SpO₂ reading on iPhone and Apple Watch Widgets and complications for quick access History views with daily values, 7-day averages, and min/max charts Low-value alerts with a custom threshold Insights for outliers and value distribution Barometric pressure and altitude context for better interpretation Your data stays on your device Requirements: Apple Watch Series 6 or later Access to Apple Health blood oxygen data Notifications are optional for low-value alerts Important: The app does not measure blood oxygen by itself. It displays existing SpO₂ data from Apple Health and is intended for personal wellness tracking, not diagnosis. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

  • 3.4
    out of 5
    125 Ratings

Fixed mixed English/German text in several parts of the app.

The developer, Bernhard Hering, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Bernhard Hering
    Size
    • 7 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Watch
      Requires watchOS 11.0 or later.
    Languages
    • English and German
    Age Rating
    9+
    In-App Purchases
    Yes
    • Monthly Subscription $1.99
    • Yearly Subscription $8.99
    • Activate Full Access $79.99
    Copyright
    • © 2026 Bernhard Hering