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ioswatchkitapple-watchhealthkit

Get heart rate information from Apple watch to paired iPhone

I want to get user's heart rate information from watch and store it in paired iPhone's health app. I know we can store heart rate information through health kit but can we pass heart rate data from watch to paired iPhone?

Solution

  • 1. There is no open API for developers for getting data from heart-rate sensor. Apple uses their private methods for doing this.

    2. Your idea about getting this data already from HealthKit is not good:

    • Information can be outdated.
    • As I know, user can select if he wants to track his heart rate or not. And you have no ability to check if this information is tracked.

    So, currently, there is no suitable options for making heart tracking app.

    UPDATE (2015-06-09)

    On the WWDC15 Apple announced watchOS 2.

    In this update there will be realtime access to the heart rate sensor and other sensors! More info is here: https://developer.apple.com/watchos/pre-release/