Please do know that in order to sync through a computer, even a Mac one, you need to download the Fitbit Connect software, which can't be found on any app store. You can download it from our website and reinstall it that way. Try to download and install it and give it another shot. Look forward to your reply.
Force quit the app, then open it again
- iPhone, iPad, iPod touch: Force the app to close.
- Apple Watch: With the app open, press and hold the side button to show the power options. Then press and hold the Digital Crown to quit the app.
- Apple TV: Double press the TV/Home button and swipe left or right to find the app with the issue. Then swipe up to close the app. You can’t force apps to quit on Apple TV (3rd generation).
Restart your device
Restart your iPhone, iPad, iPod touch, Apple Watch, or Apple TV. Then open the app to see if it works as expected.
Check for updates
Make sure that your device has the latest version of iOS or iPadOS, watchOS, or tvOS. Then check for app updates.
- iPhone, iPad, iPod touch, or Apple Watch: You can manually update apps. You might need a Wi-Fi connection to update some apps on your iPhone, iPad, or iPod touch.
- Apple TV: Go to Settings > Apps and turn on Automatically Update Apps. If you don't have automatic updates turned on, you can open the App Store, go to the Purchased tab, and open an app's product page to see if an update is available.
Reinstall the app
- iPhone, iPad, iPod touch: Open the Settings app. Tap General, then tap iPhone Storage (or iPad Storage). Tap the affected app, then tap Offload app. Tap Offload app again. Wait a moment for the app to offload, then tap Reinstall App.
- Apple TV: Highlight the app on the Home screen, then press and hold the Touch surface until the app jiggles. Press Play/Pause, then select Delete. Open the App Store and redownload the app. Some apps require subscriptions for activation. If you can't activate the app or you don’t remember your sign-in information, contact the app developer.
- Apple Watch: Open the Watch app on your iPhone and tap the My Watch tab. Scroll to the app you want to remove, then tap it. Turn off Show App on Apple Watch, and wait for it to disappear from your watch's Home screen. To reinstall the app, scroll down to Available Apps in the My Watch tab and tap Install.
Contact the app developer
If you're having an issue with an Apple app, contact Apple Support. If it's a third-party app, contact the app developer.
Learn more
Open My Fitbit App
- Get help with unfamiliar charges and in-app purchases.
- If you can’t install or update an app, or if it’s stuck waiting, learn what to do.
- Get help with audio, video, or power on Apple TV.
New Fitbit App Not Working
- Connect Charge 4 to the charging cable, making sure the connection is secure, as described above.
- Plug the charging cable into the USB port on a UL-certified USB wall charger.
- If you don’t see a smiley face or the Fitbit logo on the screen after 5 seconds:
- Remove Charge 4 from the charging cable, then place it in the charging cable again. Make sure the connection is secure, as described above.
- Try a different wall charger.
- Make sure the device is securely in the charging cable and restart Charge 4:
- Press and hold the button on the side of Charge 4 for at least 10 seconds. When a smiley face appears on the screen, release the button. Note: The device vibrates when you press or release the button.
- If you don’t see a smiley face after 10 seconds, adjust the position of the device in the charging cable, verifying it’s securely in place. Try holding the button again for 10 seconds or until the smiley face appears. Note: If you still don’t see a smiley face, wait 15 minutes before you try again.
- After you see the smiley face, wait for another 10 seconds or until the Fitbit logo or clock face appears.
- If a clock face appears—Charge 4 is set up and you can start using it. For more information, see How do I get started with Fitbit Charge 4?
- If the Fitbit logo appears—set up Charge 4. Note the device must be charged to at least 50% to set it up. For more information, see How do I set up my Fitbit device?
- If you still have trouble, contact Customer Support.