Workouts uses information stored in the Health app to display your workouts. Workouts takes the protection of your data seriously. This page documents what Workouts uses your data for and how it does this.
This page has been intentially left as simple as possible to be readable by normal users of the app.
Health Data Usage
Workouts retrieves workouts stored in the Health app and runs queries for heart rate, calorie and distance samples to display graphs for each workout.
This data is put into memory data structures.
Health data is never persisted to disk.
Health data is never sent to third party services.
Workouts never writes data to the Health app.
Third Party Services
Quite simply, Workouts does not connect to any third party services. In fact, no internet connections are made at all.