The Fitbit app was experiencing an outage.
The outage was preventing the app from successfully connecting to Fitbit’s servers.
The issue has now been fixed.
Update: October 12, 2023 (2:56 PM ET): A spokesperson from Fitbit has reached out to Android Authority confirming the issue has been resolved. That spokesperson states:
We’ve addressed the issue causing some customers to experience issues with the Fitbit app. Anyone still encountering problems should contact Customer Service.