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How do Fitbit trackers sync their data?

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Why do I need to sync my tracker?

Once you've set up and started using your new tracker, you'll need to regularly transfer (sync) your tracker's data to Fitbit so you can see your activity history, earn badges, analyze your sleep logs, and more. You can sync your tracker using the Fitbit app on your compatible mobile device or using a computer with Fitbit Connect installed. Windows 10 computers with Bluetooth can use the Fitbit app for Windows 10 instead of Fitbit Connect.

Fitbit apps are available for iOS, Android, and Windows devices. To find out if your mobile device is compatible, see http://www.fitbit.com/devices. Fitbit frequently adds support for new devices, so if yours isn't listed check back soon.

How does my tracker sync with the Fitbit app on my mobile device?

The Fitbit app uses Bluetooth Low Energy (BLE) technology to sync with your Fitbit tracker. To initiate a sync, just open the Fitbit app on your mobile device. 

You must have Bluetooth enabled on your mobile device to sync your tracker with the Fitbit app. If your mobile device is in airplane mode, it will not sync with your tracker until you turn off airplane mode, or until you manually turn on Bluetooth on your mobile device. 

How often does my tracker sync automatically?

Your tracker syncs with Fitbit Connect every 15 minutes if it is near your computer and has new data. Your tracker syncs with the Fitbit app every time you open the app, or periodically throughout the day if you have all-day sync turned on. Some customers find that all-day sync causes the battery on their mobile device to drain too quickly. If this happens, you can disable all-day sync.
 

Can I make my tracker sync at any time?

You can make your tracker sync at any time. For instructions, choose a section below. Note that if you sync your tracker with your computer and also with a mobile device, your tracker will not sync with your computer unless you move the mobile device out of range or disable Bluetooth.
  • Fitbit Connect (Mac or PC)
    1. Bring your charged tracker near to the plugged-in dongle or base station. You may need to press your tracker’s button or tap it to wake it up.
    2. Click the Fitbit Connect icon.User-added image
    3. Click Open Main Menu, and then click Sync Now. You may be asked to sign in, after which your tracker should sync with your account.
    To see when the most recent sync occurred, click the gear icon in the top right corner of the fitbit.com dashboard.
  • Fitbit app for iOS
    From the Fitbit app dashboard, tap the Account tab, and then tap your tracker to see an option for syncing immediately.
  • Fitbit app for Android
    From the Fitbit app dashboard, tap the menu icon in the top left corner, tap Devices, and then tap your tracker to see an option for syncing immediately.
  • Fitbit app for Windows 8.1
    From the Fitbit app dashboard, tap the menu icon (three dots) in the bottom right corner to see an option for syncing immediately.
  • Fitbit app for Windows 10
    From the Fitbit app dashboard, tap or click the menu icon (three dots) in the top right corner to see an option for syncing immediately.

    If you're using the Fitbit app for Windows 10 on your computer, your tracker syncs each time you open the app and whenever you manually sync. If your computer is Bluetooth enabled, the Fitbit app for Windows 10 does not require Fitbit Connect or a wireless sync dongle.

How often does my tracker need to sync?

A daily sync is recommended but not required. All Fitbit trackers can record detailed minute-by-minute data for seven days, so if you're able to sync weekly your complete minute-by-minute-data will be available. For trackers that monitor heart rate, heart rate data is stored at one-second intervals during run or exercise tracking and at five-second intervals at all other times. Daily totals are stored for 30 days, so if you're only able to sync monthly you can still see your daily totals on your dashboard.

Fitbit Surge can store a maximum of 35 hours of GPS data. If you try to track more than 35 hours worth of GPS data without syncing, older data will be deleted to make room for new data. To ensure that all your GPS data is saved, sync your Surge regularly.

Do Android devices have any special considerations?

Android devices must have both a BLE radio and software support. BLE is an optional component of Bluetooth 4.0, meaning not all devices with Bluetooth 4.0 include BLE. Some devices have the hardware but not the software, while others have both but software bugs prevent it from working. If you're buying an Android device to use with the Fitbit app, make sure the device appears on our supported devices list at http://www.fitbit.com/devices. For a list of known issues, see Which Android devices have known issues with the Fitbit app?

Can I sync my tracker with more than one device or a computer?

You can sync your tracker with any compatible mobile device or computer that meets syncing requirements. Note that if your mobile device is "bonded" to your tracker, you'll need to disable the bond before you can sync with another device or a computer. For details, see Why is my tracker only syncing with one mobile device?

Can I sync more than one Fitbit tracker to the same account?

If you like to use more than one Fitbit tracker you can add them all to your account, though different people should not share an account. For more information, see Can I use more than one Fitbit tracker with the same account?

 

 

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Last updated: February 2, 2016
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