Use the Fitbit app on your phone to track your stats when you leave your Fitbit device at home.
To get started, download the Fitbit app and tap Join Fitbit. When asked which tracker you're setting up, choose Just the app and follow the instructions.
If you already have a Fitbit account:
- Log into the Fitbit app and tap the Today tab Devices .
- Under Add connections, tap Add phone.
- Follow the instructions to set up your phone.