The Peloton Bike+ is compatible with the Apple GymKit feature.
The Peloton Tread, Tread+, and Bike are not compatible with Apple GymKit. However, you can still monitor your progress using a heart rate monitor through Apple Health and the Peloton App.
Please make sure that you properly link your account. For more information on how to link Apple Health to your Peloton experience across Bike, Tread, and Peloton app, please view our Apple Health article.