1. nzrocketman's Avatar
    Hi,

    will the Apple Watch base its calories burned throughout the day or exercise on reading from the Heart Rate Sensor or just the amount of calories burned based on distance/speed etc like fitbit does.
    09-30-2014 07:38 PM
  2. warcraftWidow's Avatar
    They haven't said but probably just based on activity.
    09-30-2014 07:43 PM
  3. alessiod7's Avatar
    probably will be a mathematical equation based on distance/speed and your own measures ie height, weight, age and activity level
    10-13-2014 04:31 AM
  4. David Hroncheck's Avatar
    The Apple Watch will almost certainly use HRM data in determining your active calories, storing data in HealthKit and pairing directly to iOS apps via Bluetooth. I've used Bluetooth HRM chest straps since the 4S debuted and I'm looking forward to going strapless when the Apple Watch delivers.

    No matter what hardware, app or service you use for activity/nutrition tracking, all rely on averages and estimates for caloric expenditure and consumption. The range of variables is massive. Heart rate data is key for better caloric expenditure estimation, as well as for establishing and staying within prescribed activity zones. So... Advantage Apple Watch.
    Hiri89 and zachpenguin like this.
    10-15-2014 07:52 AM

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