Does myFitnessSync connect directly with my Fitbit to sync with the Apple Health app? December 03, 2019 22:27 Updated No. myFitnessSync connects to Fitbit.com to download your Fitbit activity data. Your Fitbit activity data is then synced with the Apple Health app. Related articles myFitnessSync - Fitbit to Apple Health - iOS Instructions "Sync completed with errors. Please contact support." How do I sync my Fitbit steps with the Apple Health app? Does myFitnessSync sync all my historical data? How far back can it sync?