Abbott FreeStyle Libre

The Abbott FreeStyle Libre is a so-called "flash" system: The sensor continuously records values that are retrieved by scanning with a reader or smartphone. It is suitable for users seeking a cost-effective alternative to full-featured CGM systems.

How it works

The sensor stores glucose data locally; by scanning, current values and the history become visible in the app. Only newer Libre models offer optional continuous alarms.

Key Features

• Wear time: up to 14 days
• No calibration required
• More cost-effective than many CGM systems
• NFC scanning for quick data retrieval

Technical Data

• Measurement interval: internal recording, stored intervals vary
• Battery life: up to 14 days
• Extended measurement range up to approx. 500 mg/dL