The FreeStyle Libre 2 app* includes one Urgent Low Glucose Alarm that is set to 55 mg/dL and is mandatory. The High Glucose, Low Glucose, and Signal Loss Alarms are optional.
*The FreeStyle Libre 2 app is only compatible with certain mobile devices and operating systems. Please check our compatibility guide for more information about device compatibility before using the app. Use of the FreeStyle Libre 2 app requires registration with LibreView.