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/
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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.
- iPhone
- Languages
- English and German
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Monthly Subscription $1.99
- Yearly Subscription $8.99
- Activate Full Access $79.99
- Copyright
- © 2026 Bernhard Hering

