Apple has reintroduced the Blood Oxygen feature for select Apple Watch models in the U.S.; but not without a major redesign. or before January 2024 remain unaffected and retain the original, on-watch Blood Oxygen app introduced back in 2020 with the Series 6. Read more in our articles including "iOS 26, watchOS 26 Beta 7 bring back Blood Oxygen feature with a twist for U.S. Apple Watch users" and "Apple releases Public Betas for iOS 27, macOS 27, iPadOS 27, and watchOS 27".
Apple has reintroduced the Blood Oxygen feature for select Apple Watch models in the U.S.; but not without a major redesign. or before January 2024 remain unaffected and retain the original, on-watch Blood Oxygen app introduced back in 2020 with the Series 6.
Our coverage of Apple Watch blood oxygen sensor includes: "iOS 26, watchOS 26 Beta 7 bring back Blood Oxygen feature with a twist for U.S. Apple Watch users"; "Apple releases Public Betas for iOS 27, macOS 27, iPadOS 27, and watchOS 27"; "Apple Watch gets dedicated Siri App in watchOS 27 beta 3". Each article provides unique insights and information.
Our article "iOS 26, watchOS 26 Beta 7 bring back Blood Oxygen feature with a twist for U.S. Apple Watch users" published on August 19, 2025 covers the latest information about Apple Watch blood oxygen sensor. Check it out for the most current details.