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Apple shares the data behind Apple Watch Series 12’s biggest health claim
9to5Mac • • technology
Key Points:
- Apple claims that the Health Sensing System on Apple Watch Series 12 and Apple Watch Ultra 4 delivers the most accurate heart rate sensing among wearables, supported by a new study comparing it to other leading devices.
- The Health Sensing System includes updated electrical and optical heart sensors with advanced signal processing, enabling features like Recovery HRV and the Readiness app.
- Apple conducted a comprehensive study with 1,460 adults across five sites, comparing Series 12 against devices such as Garmin Forerunner 970, Google Pixel Watch 4, Huawei Watch 5, Samsung Galaxy Watch 8, WHOOP 5, and Oura Ring 5.
- Testing involved various physical activities and daily tasks, addressing challenges like rapid wrist movement and cadence lock, with the Polar H10 ECG chest strap as the reference standard.
- Results showed that Apple Watch Series 12 had statistically better heart rate accuracy than all comparison devices in 139 out of 159 activity and measurement scenarios.
