The FreeStyle Libre 3 Plus sensor is compatible only with the FreeStyle Libre 3 app* and the FreeStyle Libre 3 reader‡. For a list of compatible smartphones and more information, please see our smartphone compatibility guide.
* The FreeStyle Libre 3 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.
‡The FreeStyle Libre 3 app and the FreeStyle Libre 3 reader have similar, but not identical features. Fingersticks are required for treatment decisions when you see the Check Blood Glucose symbol and when your glucose alarms and readings from the system do not match symptoms or expectations.