![Apple doubles down on heart rate monitoring with upcoming Apple Watch update; announces Stanford study | MobiHealthNews Apple doubles down on heart rate monitoring with upcoming Apple Watch update; announces Stanford study | MobiHealthNews](https://www.mobihealthnews.com/sites/default/files/watch-series-3-heartrate-app_1.jpg)
Apple doubles down on heart rate monitoring with upcoming Apple Watch update; announces Stanford study | MobiHealthNews
![Gurman: Apple Watch Series 9 and Ultra 2 to Feature New Heart Rate Monitor, More Accurate Sensors, U2 Chip, and More | MacRumors Forums Gurman: Apple Watch Series 9 and Ultra 2 to Feature New Heart Rate Monitor, More Accurate Sensors, U2 Chip, and More | MacRumors Forums](https://images.macrumors.com/article-new/2023/08/Apple-Watch-Series-9-Pink-Aluminum-Feature.jpg)
Gurman: Apple Watch Series 9 and Ultra 2 to Feature New Heart Rate Monitor, More Accurate Sensors, U2 Chip, and More | MacRumors Forums
![Stanford Study Finds Apple Watch Has Most Accurate Heart Rate Sensor Among Wearables • iPhone in Canada Blog Stanford Study Finds Apple Watch Has Most Accurate Heart Rate Sensor Among Wearables • iPhone in Canada Blog](https://cdn.iphoneincanada.ca/wp-content/uploads/2016/01/heart-rate-sensor.png)