Comparison

FreeStyle Libre 3 vs Dexcom G7

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

Head to head
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
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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.

About

Dexcom G7

This app provides real-time glucose monitoring for diabetes management. It offers customizable alerts for high or low glucose levels and allows sharing data with loved ones and healthcare teams. Integrates with smartwatches and other health apps for comprehensive insights.

Highlights
  • Real-time glucose monitoring
  • Customizable high/low glucose alerts
  • Data sharing with followers
  • Integration with healthcare teams
  • Apple Watch connectivity
  • Digital health app integrations
  • Fasting glucose logging
Features
Currently charting
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Know your glucose number and where it’s heading with the Dexcom G7 Continuous Glucose Monitoring (CGM) System. Only use this app if you have the Dexcom G7 CGM System.* Before you start making treatment decisions with Dexcom G7, work with your healthcare professional to learn how. The Dexcom G7 Continuous Glucose Monitoring (CGM) System supports more empowered and integrated diabetes management. Its low-profile, wearable sensor provides real-time glucose data to a user’s compatible display device, no fingersticks required.† Dexcom G7 also offers customizable alerts that can help warn of high or low glucose levels, as well as remote monitoring and reporting options that help keep users connected to their loved ones and care teams anytime, anywhere. *To view a list of compatible devices, visit dexcom.com/compatibility. †If your glucose alerts and readings from Dexcom G7 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions. In addition to the accurate performance provided by the Dexcom Sensor, you’ll receive other valuable features: • Share your glucose data with up to 10 followers who can monitor your glucose data and trends on their compatible smart device with the Dexcom Follow app. Share and Follow functions require an internet connection • Clarity Clinic is now integrated into the G7 connections tab, making it easy to share data with your Clarity healthcare team • Now you can log your estimated fasting glucose in the Dexcom G7 app. Regularly tracking your fasting glucose allows you and your healthcare team to identify trends in your glucose levels • Connect G7 Sensor directly to your Apple Watch, giving you the freedom and convenience of real-time glucose readings on your wrist even when you’re not near your phone** • Digital Health app integrations allow you to share your glucose data with third-party health apps and lifestyle devices • Now you can see your health and activity data from connected apps and devices on your G7 trend graph • Add a shortcut so you can ask Siri to read your current glucose value, using a custom phrase • Dexcom Clarity summary insights are integrated into the G7 app, so that you can see both real-time and retrospective glucose insights from the same app Apple Watch: • View your glucose information, trend graph, and alerts right from your wrist with the Dexcom G7 Apple Watch app. Watches require compatible smart device to use app. G7 app features and partner integrations may differ by region. Refer to your user guide for more information. **Compatible smartphone is required to pair a new Dexcom G7 sensor with a compatible Apple Watch. Dexcom G7 users must continuously have their smartphone within 20 feet / 6 meters to utilize the Share/Follow features. Apple Watch is not capable of Share/Follow.

Screenshots

FreeStyle Libre 34 screens
Dexcom G74 screens

Verdict

The call

The clearest difference is rating: Dexcom G7 at 3.1 against FreeStyle Libre 3's 2.4. Dexcom G7 also leads on update cadence (every 6 weeks vs every 5 months). FreeStyle Libre 3's advantage is iOS requirement (15.5 vs 18.6). On price, review sentiment, ratings volume 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 G7 holds the better App Store score, 3.1 against 2.4. Both are backed by a comparable volume of ratings — 6K and 8.6K respectively. Written reviews point the same way: 12% of FreeStyle Libre 3's written reviews are positive against 16% of Dexcom G7's.

UpkeepUpdate frequency

FreeStyle Libre 3 ships an update every 5 months, Dexcom G7 every 6 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 8 level
FreeStyle Libre 3 versus Dexcom G7: the parameters behind the verdict, then further details
ParameterFreeStyle Libre 3Dexcom G7
PriceFreeFree
Rating2.4 (6K ratings)3.1 (8.6K ratings) — better
Positive reviews12.3% of reviews15.8% of reviews — better
Number of ratings6K8.6K — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#38#22 — better
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.5 — better18.6
Further details — not scored
Size54 MB599 MB
Age rating4+4+
DeveloperAbbott LabsDexcom

Customer experience

FreeStyle Libre 3

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

Dexcom G7

All ratings8,591 ratings
Positive46.8%
Neutral12.0%
Negative41.2%
Written reviews2,381 reviews
Positive15.8%
Neutral14.2%
Negative70.0%

User reviews

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

Dexcom G7

From 8.6K App Store ratings

What we love

  • 🚀 Quick sensor warmup time
  • 🌟 Smaller and more comfortable sensor
  • 🔍 Accurate glucose readings
  • 📊 Clarity integration in the app
  • 🕰️ 12-hour grace period before sensor expiration

Room to improve

  • 🔌 Frequent signal loss and connection issues
  • 🔔 Obnoxious and disruptive alert sounds
  • 🧭 Lack of customization for alert settings
  • 🔍 Inconsistent and inaccurate readings at times
  • 🧠 Confusing and unintuitive app interface

Bugs and requests

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

Dexcom G7

Reported bugs

5 issues
  • App freezes when accessing the Connections tab
  • Calibration process often gets stuck or fails
  • Sensor failure and disconnection issues
  • Inconsistent behavior with low power mode and screen time
  • Location-based restrictions preventing app setup

Requested features

5 requests
  • Add a widget for quick glucose level access
  • Improve Apple Watch integration and functionality
  • Allow customization of target glucose ranges
  • Provide more detailed historical data and reporting
  • Implement a dark mode for better visibility

In-app purchases

None

FreeStyle Libre 3

No in-app purchases

None

Dexcom G7

No in-app purchases

Questions

Is FreeStyle Libre 3 free?
FreeStyle Libre 3 is free to download, with no in-app purchases.
Is Dexcom G7 free?
Dexcom G7 is free to download, with no in-app purchases.
Which has better reviews, FreeStyle Libre 3 or Dexcom G7?
Dexcom G7 is rated higher. FreeStyle Libre 3 averages 2.4 out of 5 from 6K ratings, while Dexcom G7 averages 3.1 from 8.6K ratings.
Do FreeStyle Libre 3 or Dexcom G7 have ads?
Neither FreeStyle Libre 3 nor Dexcom G7 shows ads.
Which is updated more often, FreeStyle Libre 3 or Dexcom G7?
FreeStyle Libre 3 ships an update every 5 months, and Dexcom G7 every 6 weeks. Most recently, FreeStyle Libre 3 was updated on September 23, 2026 and Dexcom G7 on September 24, 2026.
Which is more popular, FreeStyle Libre 3 or Dexcom G7?
FreeStyle Libre 3 currently peaks at #38 in the App Store charts, and Dexcom G7 at #22. Chart position reflects recent download velocity rather than total install base.

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