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How to set up and get started with FreeStyle Libre systems
Follow these simple steps to download and set up the Libre app* and apply your sensor—so you can manage your diabetes with more confidence†1.
Download and set up the Libre app*.
 | The Libre app* connects your smartphone to your Libre 3 Plus sensor. After downloading the app, you will need to sign in or create an account. Then, you will be guided through a few steps to finish setup. |
Once your app is set up and sensor is connected, you can:
 | Easily‡ see your glucose levels. |
| View trends and set up alerts§. |
| Access additional features to help you easily share|| glucose readings with loved ones and your healthcare team. |
Check to see if your smartphone is compatible here.
Download and set up the Libre app*.
The Libre app* connects your smartphone to your Libre 3 Plus sensor. After downloading the app, you will need to sign in or create an account. Then, you will be guided through a few steps to finish setup.
Once your app is set up and sensor is connected, you can:
| Easily‡ see your glucose levels. |
| View trends and set up alerts§. |
| Access additional features to help you easily share|| glucose readings with loved ones and your healthcare team. |
Check to see if your smartphone is compatible here.
Apply and start the sensor.
Now that you’ve downloaded the Libre app*, it’s time to apply your sensor. It’s easy to apply2, comfortable to wear2,†3, and easy to use2.
Read our Sensor Application and Adhesion Guide to learn more helpful tips.
Ready to remove or replace your sensor?
After 15 days, your sensor should be removed or replaced. Remove your sensor by pulling up the adhesive edge and slowly peeling it off in a single motion. When replacing your sensor, choose a different spot on the back of your upper arm to avoid skin irritation.
You’re all set! Start using Libre systems today.
To learn even more about understanding your glucose, read our Getting Started Guide.
“Getting started on the FreeStyle Libre 3 Plus sensor was easy. I got a prescription from my doctor, I applied the sensor, and it started working with my compatible insulin pump.”
— Arnie
The views expressed should not be used for medical diagnosis or treatment or as a substitute for professional medical advice. Individual symptoms, situations and circumstances may vary.
Answers to help you get more from Libre systems
Can the Libre app help me understand how the foods I eat affect my glucose?
Yes. The Libre app* includes a free feature called Libre Assist‡‡ that can help you understand how food might impact your glucose§§. Just take a photo of your meal in the app and Libre Assist‡‡ will predict its potential glucose impact§§. It will also provide personalized suggestions|||| you can use to make informed food choices.
Learn more about Libre Assist‡‡.
* The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check the Support section of our website for more information about device compatibility before using the apps. Use of the FreeStyle Libre systems apps may require registration with LibreView.
‡‡ Libre Assist is a feature within Libre app that uses generative artificial intelligence to provide information on how foods could impact your glucose levels. Generative artificial intelligence may not always be accurate, and it should not be used to make treatment decisions.
§§ Predicted glucose impact is based on user-provided food data and may differ from actual impact, which depends on sensor readings and factors like activity, stress, medication, and alcohol. For personalized advice, consult your healthcare provider.
|||| Personalized food suggestions are based on food preference information inputted by the user.
Can I share my glucose readings with healthcare providers, caregivers, or loved ones?
Yes. The Libre app* makes it easy to share|| glucose readings with your healthcare team or loved ones¶, so they can stay informed and support your care.
Data is stored in a secure, cloud-based storage system¶¶ to help keep your information private.
You have two ways to share your glucose data with apps that connect seamlessly with the Libre app* or reader#:
- LibreView¶¶—Share|| glucose readings with your healthcare provider, so they can monitor your progress and support your treatment decisions. You can set up an account in the Libre app* or at LibreView.com.
- LibreLinkUp##—Share|| glucose readings with friends, family, and caregivers, so they can stay informed and support you when you need it. Visit LibreLinkUp.com for more information.
* The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check the Support section of our website for more information about device compatibility before using the apps. Use of the FreeStyle Libre systems apps may require registration with LibreView.
|| The user’s device must have internet connectivity for glucose data to automatically upload to LibreView.
¶ The FreeStyle Libre systems apps are designed to facilitate data sharing between patients and their healthcare providers and caregivers.
# The FreeStyle Libre systems apps and the FreeStyle Libre systems readers have similar but not identical features. Fingersticks are required for treatment decisions when you see Check Blood Glucose symbol and when your glucose alarms and readings from the system do not match symptoms or expectations.
¶¶ The LibreView data management software is intended for use by both patients and healthcare professionals to assist people with diabetes and their healthcare professionals in the review, analysis, and evaluation of historical glucose meter data to support effective diabetes management. The LibreView software is not intended to provide treatment decisions or to be used as a substitute for professional healthcare advice.
## Check the support section of www.librelinkup.com for information about mobile device and operating system compatibility. LibreLinkUp is not intended to be used for dosing decisions or to replace self-monitoring practices as advised by a physician and requires registration with LibreView.
Does the Libre 3 system work with insulin pumps?
Yes. Libre is the only 15-day CGM technology that connects to all leading pump brands in the US4.
The Libre 3 Plus sensor is authorized to work with Omnipod® 5, Tandem t:slim X2TM, iLet Bionic Pancreas, and twiistTM AID system.
When connected to a CGM sensor like the Libre 3 Plus sensor, compatible AID systems are designed to precisely adjust your insulin as your glucose goes up and down.
Learn more about our compatible insulin pumps.
AID = automated insulin delivery; CGM = continuous glucose monitor(ing)
Reference: 4. Data on file. Abbott Diabetes Care, Inc.
The FreeStyle Libre 3 system includes the Libre 3 Plus sensor, Libre 3 sensor, Libre 3 app, Libre app, and the Libre 3 reader.
The FreeStyle Libre 2 system includes the Libre 2 Plus sensor, Libre 2 sensor, Libre 2 app, Libre app, and the Libre 2 reader.
FreeStyle Libre 3 system is cleared to be used by children 4 years and older with Libre 3 sensor and 2 years and older with Libre 3 Plus sensor.
FreeStyle Libre 2 system is cleared to be used by children 4 years and older with Libre 2 sensor and 2 years and older with Libre 2 Plus sensor.
Medicare and other payor criteria may apply.
* The FreeStyle Libre systems apps are only compatible with certain mobile devices and operating systems. Please check the Support section of our website for more information about device compatibility before using the apps. Use of the FreeStyle Libre systems apps may require registration with LibreView.
† Study was performed with the outside US version of the FreeStyle Libre 14 day system. Data is applicable to FreeStyle Libre 3 and 2 systems, as feature sets are similar as FreeStyle Libre 14 day system, excluding alarms.
‡ The Libre app works with Libre 2, Libre 2 Plus, Libre 3 and Libre 3 Plus sensors and glucose data updates automatically without scanning the sensor.
§ Alarm notifications will only be received when alarms are turned on and the sensor is within 20 feet (FreeStyle Libre 2) or 33 feet (FreeStyle Libre 3) unobstructed of the reading device.
|| The user’s device must have internet connectivity for glucose data to automatically upload to LibreView.
¶ The FreeStyle Libre systems apps are designed to facilitate data sharing between patients and their healthcare providers and caregivers.
# The FreeStyle Libre systems apps and the FreeStyle Libre systems readers have similar but not identical features. Fingersticks are required for treatment decisions when you see Check Blood Glucose symbol and when your glucose alarms and readings from the system do not match symptoms or expectations.
** 60-minute warm-up required when starting the sensor.
†† Silent mode allows users to silence their signal loss and glucose alarms, including urgent low glucose alarm for up to six hours. You will not hear your glucose and signal loss alarms even if you've turned on Override Do Not Disturb but may still get the visual and vibratory notifications based on your phone's settings.
‡‡ Libre Assist is a feature within Libre app that uses generative artificial intelligence to provide information on how foods could impact your glucose levels. Generative artificial intelligence may not always be accurate, and it should not be used to make treatment decisions.
♢ Eligible patients will receive one (1) FreeStyle Libre 3 Plus sensor for users with a compatible mobile phone operating system at $0 copay. The expiration date of the voucher is 60 days from the issue date. This program is available for patients with Type 1 diabetes or Type 2 diabetes or gestational diabetes. Patients ages 18 and older are eligible to sign up and receive an offer for the (1) FreeStyle Libre 3 Plus sensor. Patients ages 2–17 are eligible to receive an offer for the (1) FreeStyle Libre 3 Plus sensor through their parent or guardian. This offer is void where prohibited by law. Abbott may modify or rescind this offer at any time without notice. The discounts are not available to beneficiaries of Kaiser Permanente, Medicaid, TRICARE, Veteran Affairs or other state healthcare programs, residents of Massachusetts, or US territories (other than Puerto Rico). The free (1) FreeStyle Libre 3 Plus sensor is provided as a sample and is limited to one sample per eligible person per product identification number. The FreeStyle Libre 3 Plus sensor cannot be re-sold, traded nor submitted to any third-party payer for reimbursement and is not provided as any inducement for future purchases. The free sample card is not health insurance.
References: 1. Fokkert, Marion, et al. “Improved Well-Being and Decreased Disease Burden After 1-Year Use of Flash Glucose Monitoring (FLARE-NL4).” BMJ Open Diabetes Research & Care 7, no. 1 (2019): e000809. https://doi.org/10.1136/bmjdrc-2019-000809. 2. Alva, Shridhara, et al. “Accuracy of a 15-day Factory-Calibrated Continuous Glucose Monitoring System With Improved Sensor Design.” Journal of Diabetes Science and Technology (2025): 19322968251329364. https://doi.org/10.1177/19322968251329364. 3. Haak, Thomas, et al. “Flash Glucose-Sensing Technology as a Replacement for Blood Glucose Monitoring for the Management of Insulin-Treated Type 2 Diabetes: A Multicentre, Open-Label Randomised Controlled Trial.” Diabetes Therapy 8 (2017): 55–73. https://doi.org/10.1007/s13300-016-0223-6.
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