How do I sync from multiple devices? December 03, 2019 21:59 Updated Our app can only sync from one device. Please see this FAQ for instructions on setting up your data source in the Fields tab. Related articles How to change your data source in the Fields tab Fitbit app and/or Apple Health dashboard shows less steps than my Apple Watch myFitnessSync Apple Health To Fitbit - iOS Instructions How do I sync my Apple Watch steps to the Fitbit App? I see multiple Apple Watches in the Sources tab. How do I know which watch is my current one?