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Apple Watch users in the United States are finally seeing Blood Oxygen readings return after nearly a year-long absence. Apple was forced to disable the feature on new Apple Watch<\/a> hardware sold in the US following a patent dispute with medical technology company Masimo.<\/p>\n The fix, released across this week and last, is a practical solution that works well, especially in helping Apple Watch remain competitive with the health and fitness focused Whoop product.<\/p>\n With the release of iOS 18.6.1 and watchOS 11.6.1<\/a> as well as iOS 26 beta 7 and watchOS 26 beta 7,<\/a> Apple has introduced a redesigned version of Blood Oxygen monitoring. Instead of processing data entirely on the watch, sensor readings are gathered by Apple Watch and then processed by the paired iPhone. Results are displayed in the Health app on iPhone rather than directly on the Watch.<\/p>\n This \u201credesign\u201d is only needed in the United States, and only for some Apple Watch Series 9 models sold after a certain date, as well as all Apple Watch Series 10 and Ultra 2 models. <\/p>\n It\u2019s not as seamless as the original on-device approach, but it restores an important metric that many Apple Watch owners previously lost.<\/p>\n Whoop worked when Apple Watch couldn\u2019t<\/p>\n When Apple Watch couldn\u2019t track blood oxygen, Whoop<\/a> became my fallback. The strap\u2019s health insights are strong, and it remains a good option if you prefer wearing an analog watch or no screen at all on your wrist. Its sleep tracking and recovery insights are particularly strong, and in my experience, Whoop still outperforms Apple in this area. Apple may have more planned<\/a> for sleep tracking analysis in the future.<\/p>\n Anyway, now that Apple Watch is once again logging SpO2 data automatically, the balance shifts. My first new result appeared in the Health app before I even triggered a manual reading, showing that Apple\u2019s redesigned method continues to work passively in the background. <\/p>\n Beyond testing to make sure it works, there\u2019s basically no scenario where I think to manually check my SpO2 reading. Background readings are key.<\/p>\n Apple Watch still has more utility<\/p>\n I\u2019m happy to see modern Apple Watches once again offer a health metric that has existed since Series 6. While Whoop excels in sleep and recovery analytics, Apple Watch remains the more complete device. It offers everything from fitness tracking and health metrics to notifications, payments, and the occasional useful app.<\/p>\n As mentioned before, there\u2019s reason to believe Apple will improve in the one area where Whoop leads. Recent asset discoveries hint that Apple is preparing more advanced sleep tracking features in upcoming watchOS updates. If that pans out, Apple Watch could close the gap on sleep insights as well.<\/p>\n Here\u2019s how it looks on watchOS 26:<\/p>\n The return of Blood Oxygen monitoring makes Apple Watch the stronger choice again for most people who appreciate wearable health metrics. Whoop<\/a> remains a valuable solution if you want deeper training and recovery insights without committing to a smartwatch, but Apple\u2019s wearable is back to offering the broader package. It also works without a subscription, unlike Whoop.<\/p>\n With its Blood Oxygen feature restored, Apple Watch<\/a> regains its edge over Whoop and strengthens its position as the most capable health device on your wrist. It may also help convince some Apple Watch users with the old method to upgrade now<\/a> that a feature won\u2019t be missing.<\/p>\n FTC: We use income earning auto affiliate links. More.<\/a><\/p>\n
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