Fitbit Sync to Health App collects identifiers, and shares some of this with third parties. It is also disclosed as being used to track you across other companies' apps and websites.
Extracted automatically from the developer's own privacy policy text -- not independently verified by Nomatra.
“we fetch your fitness data from Fitbit web service, and store them on Apple Health”
“we fetch your fitness data from Fitbit web service, and store them on Apple Health”
“We may share purchase-related and usage data with Apple when you initiate a refund request through the App Store, to help Apple assess and process your request”
“Some downloads of the ZamaLabs applications are processed by Apple, Inc. or other application vendors and their stores”