Apple says that its blood oxygen monitoring feature has been "redesigned" for the Apple Watch Series 9, Apple Watch Series 10, and Apple Watch Ultra 2 in the United States. The new solution involves measuring sensor data from the Blood Oxygen app on the Apple Watch and sending it for calculation to a paired iPhone, with the results to be viewable in the Respiratory section of the Health app.
My SpO₂ readings only dipped below 98% when I was ill a few months ago, and returned to 98%+ once I recovered. That’s the only time I’ve really noticed the feature. As such, I doubt blood oxygen monitoring (or its absence) has had much influence on Apple Watch purchasing decisions or Apple’s bottom line.
That said, this is a clever workaround that’s been 19 months in the making, and one that’s sure to irritate Masimo. Where do they go from here?
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