Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.
Reviews of Blood Oxygen App are mostly negative: the Medical app is rated 4.6/5 from 31K App Store ratings. What users like most: awesome app, very easy to use. Top complaints: doesn't accurately measure blood oxygen levels, requires premium subscription for key features. Summarized from real user reviews.
2.67
October 2, 2026
Important bug fixes. Please, try our new update!
Blood oxygen stats, sync and more
Measure with Health and Apple Watch
Aug 15, 2025 — Sep 15, 2025
Celebrate it with Blood Oxygen app's new features
Oct 1, 2024 — Nov 1, 2024
Celebrate World Heart Day with Blood Oxygen App
Sep 30, 2024 — Oct 29, 2024
3 issues
App crashes and freezes frequently
Inaccurate heart rate and oxygen level readings
3 requests
Add audible/vibration alerts for low oxygen levels
Improve automatic oxygen level monitoring
This app allows you to monitor your blood oxygen levels and heart rate. You can use your phone's camera to estimate heart rate and sync with your Apple Watch for blood oxygen readings. It also provides features like data logging, export options, breathing exercises, and sleep reports.
You can monitor your blood oxygen and heart rate by syncing with your Apple Watch. Additionally, the app can estimate your heart rate using your phone's camera. The data can then be logged and tracked within the app.
The app is free to download and use for its basic features. However, a subscription is available to unlock additional functionalities. You can cancel your subscription at any time through the App Store.
The app is designed to work with iPhones and can sync with Apple Watch devices. Specific features like sleep reports require an Apple Watch Series 3 or later with watchOS 8.
Yes, you can easily log and export your blood oxygen and heart rate data into a PDF format. This allows you to share your vital sign readings with your doctor for their review.
