Hello! I understand your GlucoWatch app is not syncing data from your Libre sensor. Let’s get that sorted out for you. To start, could you tell me if you are using Freestyle Libre 2 or Libre 3? Also, are you trying to sync to your iPhone directly or through the Apple Watch? This info will help me better tailor the steps.

In the meantime, here's a general approach that often helps with syncing issues on iOS devices:

1. Check Bluetooth & Permissions: Make sure Bluetooth is turned on and that GlucoWatch has permission to access Health data and Bluetooth on your iPhone (iOS 18.5).

2. App and Sensor Compatibility: Verify that your version of GlucoWatch supports your Libre sensor model.

3. Restart Devices: Sometimes, simply restarting both your iPhone and Apple Watch (if used) can resolve syncing glitches.

4. Reinstall the App: If the problem persists, uninstall GlucoWatch and reinstall it. When you reinstall, ensure you allow all permissions it requests.

5. Remove Complications (if using Apple Watch): If you use GlucoWatch complications on Apple Watch faces, try removing them from all dials, uninstall the app from the watch, restart the watch, then reinstall GlucoWatch.

6. Check Libre App Status: Ensure the official Libre app is working correctly and updating sensor data as that can affect third-party apps syncing.

Could you please try these steps starting from one and let me know which ones you’ve already done or if anything changes? That way, I can guide you through more specific solutions.

If you'd like, I can also look up recent updates or reports on this syncing issue for your exact setup. Just let me know!