How to Sync Fitbit Aria to Garmin Connect

Prerequisites

Before starting, ensure you have:

• Fitbit Aria, Aria 2, or Aria Air smart scale
• iPhone running iOS 16.0 or later
• Fitbit app installed with your scale already connected
• Garmin Connect account
• Apple Health app (pre-installed on iOS)

Step 1: Connect Fitbit to Apple Health

First, we need to allow Fitbit to share your weight data with Apple Health:

1. Open the Fitbit app on your iPhone
2. Tap your profile picture (top left corner)
3. Scroll down and tap "Data Export"
4. Select "Apple Health"
5. Toggle on "Weight" to enable data sharing
6. Tap "Allow" when Apple Health prompts for permission

Your Fitbit Aria will now automatically send weight measurements to Apple Health every time you step on the scale.

Step 2: Download and set up WeightSyncr

1. Download WeightSyncr from the App Store
2. Open the app - you'll be prompted for Apple Health permissions
3. Grant Apple Health permissions:
   • Tap "Allow" when prompted for HealthKit access
   • Make sure "Weight" is toggled ON in the read permissions
   • Tap "Allow" in the top right corner
4. WeightSyncr can now read your weight data from Apple Health (including your Fitbit Aria data)

Step 3: Connect to Garmin Connect

1. In WeightSyncr, tap the "Settings" tab
2. Tap "Connect Garmin Account"
3. You'll be prompted to connect your Garmin account
4. Enter your Garmin Connect credentials
   • Complete 2FA verification if enabled (fully supported)
5. Enter your Garmin Connect credentials to connect your account
6. Wait for the connection to complete

You should now see a green "Connected" status in WeightSyncr's Settings tab.

Step 4: Test the sync

Let's verify everything is working:

1. Step on your Fitbit Aria to record a new weight
2. Wait 1-2 minutes for the data to sync to the Fitbit app
3. Wait another 1-2 minutes for Fitbit to push the data to Apple Health
4. Open WeightSyncr and check the Home tab
5. Your new weight entry should appear with a sync status
6. For manual sync (free): Tap the "Sync" button next to the entry
7. For auto-sync (premium): Data will upload automatically
8. Check Garmin Connect - your weight should appear immediately

Troubleshooting

Weight not appearing in WeightSyncr

• Check Fitbit to Apple Health connection: Open Apple Health > Browse > Body Measurements > Weight. You should see Fitbit as a data source.
• Verify WeightSyncr permissions: Settings > Privacy & Security > Health > WeightSyncr > ensure "Weight" is enabled
• Force refresh: Pull down on the Home tab in WeightSyncr

Fitbit data not reaching Apple Health

• Re-enable data sharing: In Fitbit app > Profile > Data Export > Apple Health > toggle Weight off and on again
• Check Fitbit app sync: Make sure your Aria data appears in the Fitbit app first
• Restart both apps: Force-close and reopen both Fitbit and Apple Health apps

Sync failing to Garmin Connect

• Check connection: Go to WeightSyncr Settings and verify Garmin shows "Connected"
• Reconnect account: Tap "Disconnect" then "Connect Garmin Account" again
• 2FA accounts: You may need to reconnect annually for security reasons

Frequently Asked Questions

Which Fitbit scales work with this setup?

All Fitbit scales work: Aria, Aria 2, and Aria Air. As long as your scale syncs to the Fitbit app, this method will work.

Why not sync directly from Fitbit to Garmin?

Fitbit and Garmin don't have direct integration. Apple Health acts as the intermediary, and WeightSyncr handles the Garmin Connect upload.

How long does the sync process take?

Total time: A few seconds once data reaches Apple Health.

Do I need a WeightSyncr subscription?

You can sync entries manually for free. For automatic background syncing, check our pricing options.