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Is Apple Watch Series 11 worth the upgrade? Here's how it compares to older models

From hypertension monitoring to a daily sleep score, here's how the new Apple Watch Series 11 compares to previous models (and which ones will get new features).

Now that oxygen monitoring is available again, the Apple Watch 9 supports all of the features from its predecessor, plus many of the ones introduced with the Series 10, like sleep apnea notifications, fall and crash detection, and wrist temperature sensing. It supports WatchOS 26 but doesn't have the built-in capabilities to capitalize on some of the new operating system's best features, like the Vitals app, hypertension notifications, and sleep apnea monitoring. But as someone who enjoys wearables' health monitoring features, I look forward to testing the new Apple Watch's hypertension alerts, Workout Buddy, Vitals app, sleep apnea notifications, and temperature sensing on a newer model that supports them.

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