Comparison

Dexcom G6 vs FreeStyle Libre 3

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dexcom G6

Monitor your glucose levels in real-time with continuous glucose monitoring. Receive personalized alerts for high or low glucose, and share your data with loved ones. This app is designed for individuals managing diabetes with compatible CGM systems.

Highlights
  • Real-time glucose readings
  • Personalized trend alerts
  • Customizable alert schedules
  • Share glucose data with followers
  • Health app integration
  • Apple Watch app support
Features
Read full description

Only use this app if you have the Dexcom G6 or G6 Pro CGM Systems. Always know your glucose number and where it’s heading with the Dexcom G6 and G6 Pro Continuous Glucose Monitoring (CGM) Systems –indicated for diabetes treatment decisions with zero fingersticks and no calibration.* Before you start making treatment decisions with your G6 or G6 Pro, work with your healthcare provider to learn how. *Fingersticks required for diabetes management decisions if symptoms do not match readings. Always know your glucose number with just a quick glance at your compatible smartphone or smartwatch. For a list of compatible devices visit www.dexcom.com/compatibility. Dexcom G6 and G6 Pro provide real-time glucose readings for patients with type 1 or type 2 diabetes every five minutes. Dexcom G6 and G6 Pro are indicated for children, age 2 years and older. The Dexcom G6 and G6 Pro Systems provide personalized trend alerts on your smart device and let you see when your glucose levels are going too low, or too high, so you can better manage your diabetes. The Alert Schedule** feature lets you schedule and customize a second set of alerts. Custom alert sounds are available, including a Vibrate-Only option on the phone for glucose alerts. The only exception is the Urgent Low Alarm, which you can’t turn off. The Always Sound** setting, which is on by default, allows you to receive certain Dexcom CGM Alerts even if your phone sound is off, set to vibrate, or in Do Not Disturb mode. This allows you to silence calls or texts but still receive audible CGM Alarm and Alerts, including the Urgent Low Alarm, Low and High Glucose alerts, Urgent Low Soon Alert**, and Rise and Fall Rate alerts**. A Home screen icon shows you if your Alerts will sound or not. For safety, the Urgent Low Alarm and three alerts can’t be silenced: Transmitter Failed, Sensor Failed, and App Stopped. Other features: • Share** your glucose data with up to ten followers in real time. Followers can monitor your glucose data and trends in real time on their compatible smart device with the Dexcom Follow** app. Share and Follow functions require an internet connection • Health app access so you can share retrospective glucose data with third party apps • Today View widget allows you to view your glucose data on the lock screen of your smart device • Add a shortcut to Siri to run by asking Siri to read your current glucose value, using a custom phrase **Not available on Dexcom G6 Pro CGM System Apple Watch View your glucose information, trend graph, and alerts and alarm right from your wrist with the Dexcom G6 Apple Watch app. Watches require compatible smart device to use app. Customer Reviews This app store should not be used as your first point of contact to resolve technical or customer services issues. In order to protect your privacy and personal information, and promptly resolve any technical or customer services issues you are having with any Dexcom product, please contact 1-888-738-3646 or www.dexcom.com/tech-support. Dexcom is required to follow up with customers regarding product-related complaints. If Dexcom determines that your comment/complaint requires follow up, a technical support representative will attempt to contact you to gather more information regarding your comment/complaint. Dexcom is a registered trademark in the US.

About

FreeStyle Libre 3

Monitor your glucose levels in real-time with advanced continuous glucose monitoring technology. Receive immediate alerts for low or high glucose readings and gain insights into your trends with detailed reports. This app is designed for individuals managing diabetes.

Highlights
  • Real-time glucose readings
  • Low/high glucose alerts
  • Readings updated every minute
  • Detailed glucose trend reports
  • Time in range tracking
Currently charting
Read full description

The FreeStyle Libre 3 app is cleared for use with the FreeStyle Libre 3 system sensors and FreeStyle Libre Select sensors. Features include: • Your glucose in real time, anytime[1]. • Optional glucose alarms[2] • Glucose Reports COMPATIBILITY FreeStyle Libre 3 app is compatible with the FreeStyle Libre 3 system [and FreeStyle Libre Select] sensors. It is not compatible with FreeStyle Libre or FreeStyle Libre 2 system sensors. Compatibility may vary between smartphones and operating systems. Learn more about compatible smartphones at [www.FreeStyleLibre.com]. APP INFORMATION The FreeStyle Libre 3 app is intended for measuring glucose levels in people with diabetes when used with the FreeStyle Libre 3 system sensors. For more information on how to use the FreeStyle Libre 3 app, please refer to the User’s Manual. Consult a healthcare professional to confirm if this product is right for you or if you have questions about how to use this product to make treatment decisions. [1] A 60-minute warm-up is required when applying the sensor. [2] Notifications will only be received when alarms are turned on and the sensor is within 33 feet or 10 meters unobstructed of the reading device. The sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott. Other trademarks are the property of their respective owners. For additional legal notices and terms of use, go to [www.FreeStyleLibre.com] ======== Before using the app, review product labeling and the interactive tutorial at [insert localized product support page]. To resolve any technical or Customer Service issues you are having with a FreeStyle Libre product, please contact FreeStyle Libre Customer Service directly.

Screenshots

Dexcom G64 screens
FreeStyle Libre 34 screens

Verdict

The call

The clearest difference is rating: Dexcom G6 at 3.1 against FreeStyle Libre 3's 2.4. Dexcom G6 also leads on review sentiment (34% vs 12%). FreeStyle Libre 3's advantage is chart position (#38 vs unranked) and iOS requirement (15.5 vs 18.6). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Dexcom G6 holds the better App Store score, 3.1 against 2.4. Both are backed by a comparable volume of ratings — 9K and 6K respectively. Written reviews point the same way: 34% of Dexcom G6's written reviews are positive against 12% of FreeStyle Libre 3's.

UpkeepUpdate frequency

Dexcom G6 ships an update every 4 months, FreeStyle Libre 3 every 5 months. Both last shipped on September 23, 2026.

Scorecard4 real differences · 7 level
Dexcom G6 versus FreeStyle Libre 3: the parameters behind the verdict, then further details
ParameterDexcom G6FreeStyle Libre 3
PriceFreeFree
Rating3.1 (9K ratings) — better2.4 (6K ratings)
Positive reviews34.1% of reviews — better12.3% of reviews
Number of ratings9K — better6K
Update frequencyEvery 4 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#38 — better
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.615.5 — better
Further details — not scored
Size66 MB54 MB
Age rating4+4+
DeveloperDexcomAbbott Labs

Customer experience

Dexcom G6

All ratings9,014 ratings
Positive46.9%
Neutral12.9%
Negative40.2%
Written reviews290 reviews
Positive34.1%
Neutral12.4%
Negative53.4%

FreeStyle Libre 3

All ratings5,985 ratings
Positive26.7%
Neutral13.3%
Negative60.0%
Written reviews767 reviews
Positive12.3%
Neutral15.8%
Negative72.0%

User reviews

Dexcom G6

From 9K App Store ratings

What we love

  • 🚀 Continuous glucose monitoring
  • 📈 Helpful for managing diabetes
  • 🤝 Shares data with others
  • 🔋 Long-lasting sensor

Room to improve

  • 🔊 Overly loud alerts
  • 🔄 Frequent signal loss
  • 🤯 Inconsistent accuracy
  • 📱 App crashes and bugs
  • 🕰️ Short sensor lifespan

FreeStyle Libre 3

From 6K App Store ratings

What we love

  • 🚀 Smaller and less obtrusive sensor
  • 🚀 Accurate continuous glucose monitoring
  • 👍 Helpful for managing diabetes
  • 👍 Improved from previous Libre versions

Room to improve

  • 🐛 Frequent sensor failures and connectivity issues
  • 🔊 Loud and non-customizable alarms
  • 🔍 Limited data visualization and analysis capabilities
  • 🔌 Requires phone to be nearby and charged
  • 🤖 Lack of integration with Apple Health and Watch

Bugs and requests

Dexcom G6

Reported bugs

3 issues
  • App unable to reconnect after signal loss
  • Calibration issues and errors
  • Notifications not working as expected

Requested features

4 requests
  • Add notes for carbs and exercise
  • Customizable alert settings
  • Improved Apple Watch integration
  • Dark mode option

FreeStyle Libre 3

Reported bugs

3 issues
  • Sensor errors and failures
  • Connectivity issues between sensor and app
  • Incompatibility with newer iOS versions

Requested features

5 requests
  • Ability to customize alarm settings
  • Integration with Apple Health and Apple Watch
  • More detailed glucose data and graphing options
  • Ability to log finger stick readings
  • Compatibility with newer iOS versions

In-app purchases

None

Dexcom G6

No in-app purchases

None

FreeStyle Libre 3

No in-app purchases

Questions

Is Dexcom G6 free?
Dexcom G6 is free to download, with no in-app purchases.
Is FreeStyle Libre 3 free?
FreeStyle Libre 3 is free to download, with no in-app purchases.
Which has better reviews, Dexcom G6 or FreeStyle Libre 3?
Dexcom G6 is rated higher. Dexcom G6 averages 3.1 out of 5 from 9K ratings, while FreeStyle Libre 3 averages 2.4 from 6K ratings.
Do Dexcom G6 or FreeStyle Libre 3 have ads?
Neither Dexcom G6 nor FreeStyle Libre 3 shows ads.
Which is updated more often, Dexcom G6 or FreeStyle Libre 3?
Dexcom G6 ships an update every 4 months, and FreeStyle Libre 3 every 5 months. Most recently, Dexcom G6 was updated on September 23, 2026 and FreeStyle Libre 3 on September 23, 2026.

Other comparisons