Your CGM matters. 

Compare FreeStyle Libre systems with Dexcom.

Libre Plus sensors are the first and only1 15-day sensors for people ages 2 years and older with type 1 or type 2 diabetes2,3. See what else makes Libre Plus sensors stand out.
CGM = continuous glucose monitor(ing)
Man wearing a FreeStyle Libre sensor while viewing glucose readings on a smartphone at a kitchen table.

Why choose Libre 3 system over other CGM systems?

The Libre 3 Plus sensor is designed with you in mind.

We want diabetes care to feel less like managing a device and more like having a partner by your side.

A woman wearing a Freestyle Libre sensor playing pickleball
FAQ icon

How can parents and caregivers stay connected?

With the LibreLinkUp app†, parents and caregivers can always have access‡ to their loved ones’ glucose information. They can also set their own glucose alarms§ and get real-time alerts for extra peace of mind.

Libre 3 Plus sensor vs Dexcom G7 15 Day

Find out what makes our sensor an easy choice.

 
FSL 3 Plus Sensor
Libre 3 Plus sensor2
Dexcom G7 sensor
Dexcom G7 System 15 Day7
Glucose readings every minute

Yes

—

2 years of age and older

Yes

—

Connects to all leading pump brands in the US1

Yes

—

World’s smallest sensor||1

Yes

—

No overpatch required

Yes

—

15-day wear time

Yes

Yes

15-day sensor memory storage

Yes

—

No MBPA or IBOA skin allergens¶1,8

Yes

—

Integrated app system to share‡# glucose data 

Yes

Yes

60-minute sensor warmup time

Yes

Yes

FSL 3 Plus Sensor

Libre 3 Plus sensor2

Dexcom G7 sensor

Dexcom G7 System 15 Day7

Glucose readings every minute

Yes

—

2 years of age and older

Yes

—

Connects to all leading <a target="_self" href="/content/adc/freestyle/countries/en-us/products/insulin-pump-compatibility.html" rel="noopener noreferrer">pump brands</a> in the US<sup>1</sup>

Yes

—

World’s smallest sensor<sup>||1</sup>

Yes

—

No overpatch required

Yes

—

15-day wear time

Yes

Yes

15-day sensor memory storage

Yes

—

No MBPA or IBOA skin allergens<sup>¶1,8</sup>

Yes

—

Integrated app system to share<sup>‡#</sup> glucose data 

Yes

Yes

60-minute sensor warmup time

Yes

Yes

IBOA = isobornyl acrylate; MBPA = methylenebisphosphonic acid

FAQ icon

Is the Libre 3 Plus sensor accurate?

Yes. The Libre 3 Plus sensor has outstanding 15-day accuracy2, exceeding the FDA’s highest standard for accuracy performance2,9.

It gives you accuracy2 you can count on in the world’s smallest, thinnest||1 sensor. Studies show it works well for the full 15 days, even when glucose is low2.

“On past CGMs, I was constantly double-checking and worrying if it was accurate or not. I love how much I can trust my FreeStyle Libre 3 Plus sensor.”

— Laura, Libre 3 system user with type 1 diabetes

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.

A person wearing a continuous glucose monitor (CGM) sits with arms crossed, showing tattoos on both arms.
A person wearing a continuous glucose monitor (CGM) checks a smartphone while watching a child with a basketball in a gym.

Libre is the only CGM technology that connects to all leading pump brands in the US1.

The Libre 3 Plus sensor is authorized to work with these AID systems:

  • Omnipod® 5 AID System from Insulet
  • t:slim X2™ insulin pump from Tandem Diabetes Care
  • iLet Bionic Pancreas from Beta Bionics
  • twiist™ AID System from Sequel Med Tech

AID = automated insulin delivery

How do I talk to my doctor about starting Libre systems?

Read this simple discussion guide that outlines key questions to ask your healthcare provider and helps you understand your options so you can choose the right CGM for you.

/content/dam/adc/webu/en-us/compare-cgm-systems
Pay less icon

More people pay $0–$20 for Libre than for Dexcom**1.

Libre systems are priced 60% lower than other CGM systems††1, based on a comparison of list prices.
Learn more about cost and coverage options.

FAQ icon

How much do Libre 3 systems cost?

The final cost depends on your insurance plan. If you have commercial insurance or no insurance and are asked to pay more than $75 for two Libre 3 Plus sensors, you may be able to save with our copay card‡‡.

Are Libre 3 systems covered by Medicare?

Yes. Most Medicare patients managing diabetes with insulin are now eligible for coverage§§10. Most Medicare Advantage/Managed Medicare patients pay $0||||1 for Libre 3 system.

IBOA = isobornyl acrylate; MBPA = methylenebisphosphonic acid

Try Libre for free.

Sign up for a free♢ sensor and get support you can count on.

Icon of Easy tutorials

Step-by-step tutorials for setup, sensor readings, and connected app features sent directly to your inbox
Nutrition icon

Tips to help you see how meals and activity affect glucose
Support icon

1:1 support over the phone with a Certified Diabetes Care and Education Specialist (CDCES)

100% free. No credit card required. No strings attached.

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 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. Abbott provides this information as a courtesy and does not guarantee payment or coverage.

Coverage and out-of-pocket costs may vary based on your individual insurance plan. Please contact your insurance provider directly to confirm your specific benefits and eligibility.

* Study was performed with the outside US version of the FreeStyle Libre 14 day system. Data is applicable to FreeStyle Libre 3 system, as feature sets are similar as FreeStyle Libre 14 day system, excluding alarms.

† 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.

‡ The user's device must have internet connectivity for glucose data to automatically upload to LibreView and to transfer to connected LibreLinkUp app users.

§ Alarm notifications will only be received when alarms settings are enabled and turned on and sensor is within 20 feet (FreeStyle Libre 2) or 33 feet (FreeStyle Libre 3) unobstructed of the reading device.

|| Among patient-applied sensors.

¶ Not made with these skin allergens. IBOA and MBPA not detected. Test method limit of detection was 0.0016 μg per device for IBOA and 0.0079 μg per device for MBPA.

# The FreeStyle Libre systems apps are designed to facilitate data sharing between patients and their healthcare providers and caregivers.

** Based on pharmacy claims for the aggregate of patients covered by Commercial insurance, Managed Medicare, Managed Medicaid using the FreeStyle Libre personal CGM systems versus Dexcom CGM systems. Does not include fee-for-service Medicare or fee-for-service Medicaid. The actual cost to patients may or may not be lower than other CGM systems, depending on the amount covered by insurance, if any.

†† Based on a comparison of list prices of the FreeStyle Libre personal CGM systems versus competitors’ prescription CGM systems, assuming annual use of one receiver (or equivalent hardware) and quantity of transmitters and/or sensors according to use life. The actual cost to patients may or may not be lower than other CGM systems, depending on the amount covered by insurance, if any.

‡‡ Benefits apply to FreeStyle Libre 3 Plus sensors and FreeStyle Libre 3 readers. Void where prohibited by law. Abbott may modify, rescind, or revoke these benefits at any time without notice. Offer available to commercially insured and uninsured patients only. These benefits are not available to beneficiaries of Medicare, Medicaid or other federal or state healthcare programs. For Massachusetts residents, only those patients responsible for the full cost of the product may be eligible to receive these benefits. These benefits are only available at participating pharmacies, which are subject to change without notice. The actual amount a patient pays may vary.

§§ Patients must meet Medicare eligibility coverage criteria.

|||| Based on pharmacy claims for the aggregate of patients covered by Managed Medicare using the FreeStyle Libre personal CGM systems versus Dexcom CGM systems. Does not include fee-for-service Medicare. The actual cost to patients may or may not be lower than other CGM systems, depending on the amount covered by insurance, if any.

References: 1. Data on file. Abbott Diabetes Care, Inc. 2. FreeStyle Libre 3 User’s Manual. 3. FreeStyle Libre 2 User’s Manual. 4. Based on FreeStyle Libre 2 and FreeStyle Libre 3 User’s Manuals, Dexcom G7 CGM User Guide, and Medtronic Guardian Connect System User Guide. 5. 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. 6. 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. 7. Dexcom G7 15 Day User Guide. 8. Mowitz, Martin, et al. “New Device, ‘Old’ Allergens. Allergic Contact Dermatitis Caused by the Dexcom G7 Glucose Sensor.” Contact Dermatitis 90, no. 5 (2024): 495–500. https://doi.org/10.1111/cod.14514. 9. Based on FDA iCGM Special Controls. Accessed September 14, 2026. https://www.ecfr.gov/current/title-21/chapter-I/subchapter-H/part-862/subpart-B/section-862.1355. 10. Local Coverage Determination (LCD) L33822, Glucose Monitors. Accessed Sept 14, 2026. https://www.cms.gov/medicare-coverage-database/view/lcd.aspx?LCDId=33822.

ADC-36559 v6.0