Share health and fitness data on iPhone
You can give other apps permission to share health and fitness data with the Health app . For example, if you install a workout app, its exercise data can appear in the Health app. The workout app can also read and make use of data (such as your heart rate and weight) shared by other devices and apps.
Control the sharing of data among apps and devices
Tap your profile picture at the top right.
If you don’t see a profile picture, tap Summary or Browse at the bottom of the screen, then scroll to the top of the screen.
Below Privacy, tap Apps or Devices.
The screen lists the items that requested access to Health data.
To change the access for an item, tap it, then turn on or off permission to write data to—or read data from—Health.
Export and share your health data
Tap your profile picture at the top right.
If you don’t see a profile picture, tap Summary or Browse at the bottom of the screen, then scroll to the top of the screen.
Tap Export all health data, then choose a method for sharing your data.
Your data is exported in XML format, a common format for sharing data between apps.