Dexcom G6 vs Libre by Abbott
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time glucose readings
- Personalized trend alerts
- Customizable alert schedules
- Share glucose data with followers
- Health app integration
- Apple Watch app support
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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.
Libre by Abbott
This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.
- Continuous glucose monitoring
- Automatic readings every minute
- Glucose trend insights
- Compatibility with FreeStyle Libre 2 and 3
- Generative AI for food impact analysis
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Libre app[±] is a continuous glucose-monitoring (CGM) app that helps people living with diabetes track their glucose. Compatible with FreeStyle Libre 2 and 3 system sensors. Why Libre app: • Readings automatically update on your phone[±] every minute. • Insights, a tap away. Designed to easily find readings, trends, and settings. COMPATIBILITY Compatibility may vary between operating systems. Learn more about compatible phones and devices at https://www.freestyle.abbott/us-en/support.html. APP INFORMATION Libre app[±] is intended for measuring glucose levels in people with diabetes age 4+ when used with FreeStyle Libre 2 and FreeStyle Libre 3 sensors, and for people with diabetes age 2+ when used with FreeStyle Libre 2 Plus and FreeStyle Libre 3 Plus sensors. For more information, refer to the user’s manual, accessible in the app. 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. ±. For information about device compatibility, see https://www.freestyle.abbott/us-en/support.html ǂ. 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. ◊. Do not use the smartwatch app for treatment decisions. Follow the Libre app instructions on your smartphone. ø. Glucose data and alerts appear on your smartwatch only when your phone is in range of the sensor. Alerts are mirrored from the Libre phone app. Ensure your phone settings are enabled to receive notifications. *. Notifications will only be received when alarms settings are enabled and turned on and sensor is within 20 feet (FreeStyle Libre 2 system) 33 feet (FreeStyle Libre 3 system) unobstructed of the reading device. π. The user’s device must have internet connectivity for glucose data to automatically upload to LibreView and to transfer to connected LibreLinkUp app users. µ. 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. LibreView software is not intended to provide treatment decisions or to be used as a substitute for professional healthcare advice. Δ. LibreLinkUp app is only compatible with certain mobile devices and operating systems. Check the Support section of www.librelinkup.com for more information about device compatibility before using the app. Use of the LibreLinkUp app requires registration with LibreView. Product for prescription only, for Important Safety Information please visit FreeStyleLibre.us 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, terms of use, product labeling, and interactive tutorial, go to: http://www.FreeStyleLibre.com. If you’re experiencing any issues, contact Customer Service directly.
Screenshots
Verdict
The clearest difference is rating: Libre by Abbott at 4.6 against Dexcom G6's 3.1. Libre by Abbott also leads on ratings volume (110K vs 9K) and chart position (#30 vs unranked). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Libre by Abbott holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Libre by Abbott has 110K ratings behind it against 9K, so its average is the more settled of the two. Written reviews point the same way: 34% of Dexcom G6's written reviews are positive against 40% of Libre by Abbott's.
Dexcom G6 ships an update every 4 months, Libre by Abbott every 3 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.
| Parameter | Dexcom G6 | Libre by Abbott |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (9K ratings) | 4.6 (110K ratings) — better |
| Positive reviews | 34.1% of reviews | 39.8% of reviews — better |
| Number of ratings | 9K | 110K — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #30 — better |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Dexcom | Abbott Labs |
Customer experience
Dexcom G6
Libre by Abbott
User reviews
Dexcom G6
From 9K App Store ratingsWhat 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
Libre by Abbott
From 110K App Store ratingsWhat we love
- 🚀 Streaming every minute
- 👍 User-friendly design
- ⭐️ Five-star rating
Room to improve
- 🔧 Needs more customization
- 🔍 Lack of detailed view
- 🔌 Unreliable connection
- 🔊 Persistent alarms
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
Libre by Abbott
Reported bugs
2 issues- Cannot connect to active sensor
- No historical data transfer
Requested features
9 requests- Apple Health connectivity
- Widget support
- Dual sensor connections
- Customizable alert profiles
- Delayed high alerts
Show 4 moreShow fewer
- Sensor calibration
- Apple Watch integration
- Glucose home screen updates
- Trend line zoom
In-app purchases
Dexcom G6
No in-app purchases
Libre by Abbott
No in-app purchases
Questions
Is Dexcom G6 free?
Is Libre by Abbott free?
Which has better reviews, Dexcom G6 or Libre by Abbott?
Do Dexcom G6 or Libre by Abbott have ads?
Which is updated more often, Dexcom G6 or Libre by Abbott?
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