Download the Libre app, apply and activate your sensor

Apply and Activate Your CGM Sensor:

• Libre 3 & Libre 3 Plus → Use the Libre 3 app for activation. After activation, syncing happens automatically via Bluetooth when your phone is in range.
• Libre 2 → Use the Libre 2 app for activation and manually scan the sensor every 8 hours to view glucose levels.

Libre 3 Iphone App - US App Store

Libre 3 Android App - US App Store