myFitnessSync - Apple Health to Fitbit uploads your health and fitness data from the iPhone Apple Health app to your Fitbit account.
Syncing with myFitnessSync - Apple Health to Fitbit allows you to track your Apple Health and Apple Watch steps, weight data, and other connected fitness devices in the Fitbit app and Fitbit platform.
You can find myFitnessSync - Apple Health to Fitbit on the App Store.