How do I sync health data to iCloud in iOS 11 on iPhone and iPad after syncing with myFitnessSync - Fitbit To Apple Health December 03, 2019 22:29 Updated Check out this link explaining how to sync health data to icloud in iOS11. Related articles Does myFitnessSync connect directly with my Fitbit to sync with the Apple Health app? What does myFitnessSync do? myFitnessSync - Fitbit to Apple Health - iOS Instructions "Sync completed with errors. Please contact support." Why are my Fitbit steps different from Apple Health?