freestyle libre 2 device image
AFL device image v2

Summary

The FreeStyle Libre 2 is the thinnest, all-in-one glucose sensor/transmitter and requires scanning using a handheld reader or compatible smartphone with an app. This sensor lasts for 14 days and only needs fingersticks as backup. Optional low and high blood sugar notifications are available for this system. 

FDA approved for insertion on the back of the upper arm (ages 4 years and older).

 

MARD of 9.3%

The FreeStyle Libre 14-day is an all-in-one glucose sensor/transmitter that lasts for 14 days and only needs fingersticks as backup. . This sensor is a flash glucose monitor that requires scanning using a compatible smartphone app or a handheld reader. 

FDA approved for insertion on the back of the upper arm (ages 4 years and older).

 

MARD of 9.4%

Components

Freestyle Libre 2 : Sensor

Freestyle Libre 2 : Sensor

Sensor uses a thin, flexible filament inserted just under the skin to measure glucose levels every minute. Push-button applicator allows sensor to be placed on the body in one step.

Freestyle Libre 2 : Receiver

Freestyle Libre 2 : Receiver

Conveniently access glucose readings using a reader, smartphone, or both. Available for both iOS and Android devices.

Freestyle Libre 14 Day : Sensor

Freestyle Libre 14 Day : Sensor

Sensor uses a thin, flexible filament inserted just under the skin to measure glucose levels every minute. Push-button applicator allows sensor to be placed on the body in one step.

Freestyle Libre 14 Day : Receiver

Freestyle Libre 14 Day : Receiver

Conveniently access glucose readings using a reader, smartphone, or both. Available for both iOS and Android devices.

Device Details

Overview

All-in-one glucose sensor/transmitter with low and high blood glucose alarms can be worn on the upper arm.

All-in-one glucose sensor/transmitter can be worn on the upper arm. 

Affordability and Access

$$$$
Widely covered. Provided by pharmacies. Price range; $0-$100/month. Often the cheapest and easier to access sensor. 

$$$$
Widely covered. Provided by pharmacies. Price range; $0-$100/month. Often the cheapest and easier to access sensor.

Data Monitoring Options

Yes
After each sensor scan with the mobile app or reader, data is automatically sent to the user’s LibreView account which enables sharing with HCPs and caregivers via the LibreLinkUp app. Data upload is possible with Glooko and Tidepool data-management systems.

Yes
Automatic data transfer to LibreView each time Freestyle Libre 2 sensor is scanned. LibreView gives clinicians and users relevant glucose reports. Glooko and Tidepool can also be used to view data. 

Data View Options

Yes
Freestyle Libre 2 app provides glucose readings and alarms, multiple data views, the ability to share glucose data and real-time alarms with LibreLinkUp, and the ability to connect to a clinician's practice through LibreView. 

Yes
Freestyle LibreLink app displays glucose readings directly on the patient's compatible smart device. 

Duration and Storage

14 Days
Sensors last 14 days and work between 50ºF - 113ºF. They are shipped in orders of 1-3 months at a time - which is 2-6 boxes at a time.

14 Days
Sensors last 14 days and work between 50ºF - 113ºF. They are shipped in orders of 1-3 months at a time - which is 2-6 boxes at a time.

Vision / Auditory / Dexterity

YES text to speech
YES vibration alerts
3 sound sources
A LOT of dexterity needed

YES text to speech
YES vibration alerts
A LOT of dexterity needed

Patient Considerations

Active Lifestyle

Water-resistant for up to 3 feet deep for 30 minutes and light on the body, does not get in the way of activity. The reader must be within 1.5 inches of the sensor to scan it. 

Water-resistant for up to 3 feet deep for 30 minutes and light on the body, does not get in the way of activity. The reader must be within 1.5 inches of the sensor to scan it. 

Avoiding Highs and Lows

Optional glucose alerts for low and high glucose levels. Trend arrows show the direction glucose is heading, with the rate of change. 

Alerts are not available. High or low glucose alarms are not available. Trend arrows show the direction glucose is heading, with the rate of change. 

Comfort

Low profile sensor and small adhesive.

Lowest profile sensor and smallest adhesive.

Easy Insulin Dosing

Scanned sensor trends can be used for dose adjustment.

Scanned sensor readings can be used for dose adjustment.

Easy to Use

Requires scanning. Self-application and manual scanning are required. Easy self-application.

Requires scanning. Self-application and manual scanning every 8-hours are required. Easy self-application.

Fewer Fingersticks

Factory-calibrated sensor. Finger-sticks needed for backup only. 

Factory-calibrated sensor. Finger-sticks needed for backup only. 

Privacy

Hypoglycemia safety alarm. Discreet size but built-in hypoglycemia safety alarm alerts users when glucose is below 55 mg/dl and is always on. 

Somewhat discreet. Scanning feature makes it easy to monitor blood glucose levels discreetly.