Freestyle Libre 3 Vs Dexcom G7 A Comprehensive Comparison

Freestyle Libre 3 vs Dexcom G7

Introduction

If you’re in the market for a continuous glucose monitoring (CGM) device, you’ve likely come across the Freestyle Libre 3 and the Dexcom G7. If we Compare Freestyle Libre 3 vs Dexcom G7 both are popular choices among diabetes patients as they look for more accurate and convenient ways to manage their blood sugar levels, but which is the better option for you?

In this article, we’ll take a deep dive into both devices’ features, accuracy, cost, and user experience to help you make an informed decision.

Similarities

First, look at the similarities between the Freestyle Libre 3 and the Dexcom G7. Both devices use a sensor inserted under the skin to measure glucose levels continuously. And also have mobile apps that allow you to view your glucose data in real-time and set alarms and alerts. Both CGM Systems are highly accurate. Now, let’s dive into the differences between the two devices.

Features & benefits

The Freestyle Libre 3 sensor is inserted under the skin and takes a reading every minute This Device has a feature called “scanning,” which is a built-in scanner that allows you to take a reading without having to enter the sensor’s code manually and also enables you to scan the sensor with the built-in scanner to view your real-time glucose data.

  • A 14-day sensor wear time
  • A small, discreet sensor that can be worn on the back of the upper arm
  • A real-time glucose reading that can be accessed using a handheld scanner
  • A user-friendly mobile app for tracking and sharing glucose data

In contrast, 

Dexcom G7 doesn’t have a built-in scanner feature, but it does have a feature called “Share” that allows you to share your glucose data with friends, family, or healthcare professionals in real-time, helps in your diabetes self-management.

  • A 10-day sensor wear time
  • A small, discreet sensor that can be worn on the stomach, thigh, or upper arm
  • A real-time glucose reading that can be accessed using a mobile app or a compatible device such as a smartwatch
  • A user-friendly mobile app for tracking and sharing glucose data

Cost & user experience

Abbot’s CGM is an excellent option for those who prefer a more discreet device. The sensor of the Freestyle Libre 3 is small and compact, measuring only 35mm x 16mm x 2mm. This allows it to be worn discreetly under clothing and can be less noticeable than other continuous glucose monitoring devices.

The Dexcom G7 receiver and Device bit slightly larger and may be more noticeable under clothing when worn on the body. Libre 3 is Comparatively less expensive than the G7. The cost of the Freestyle Libre 3 sensor is around $99, while the cost of the Dexcom G7 sensor is around $350. Additionally, its reader is less expensive than the Dexcom.

Mobile app compatibility

The Freestyle Libre 3 and the Dexcom G7 have mobile apps allowing real-time glucose data viewing, setting alarms and alerts, and tracking historical data for up to 24 hours. The apps also can set reminders for sensor changes and medication taking. Both apps are user-friendly and provide a convenient way to manage glucose data on the go.

Pros & cons

Freestyle Libre 3 pros

  • Less expensive than the Dexcom G7
  • Built-in scanner for easy readings
  • Discreet design
  • Highly accurate

Cons

  • The sensor needs to be replaced every 14 days.

Dexcom G7 pros

  • Real-time sharing feature
  • Highly accurate

Cons

  • More expensive than the Freestyle Libre 3
  • The sensor needs to be replaced every 10 days
  • Bulky design

Conclusion

Choosing a continuous glucose monitor is a personal decision that depends on your individual needs and preferences. The Freestyle Libre 3 and the Dexcom G7 are highly accurate and reliable options offering a range of features and benefits. It is important to consider factors such as sensor wear time, insertion options, cost, and insurance coverage when deciding. Ultimately, your best Device will depend on your specific needs and preferences.

Frequently Asked Questions

What is the difference between the Freestyle Libre 3 and Dexcom G7?

The Freestyle Libre 3 has a built-in scanner feature for easy readings, a 14-day sensor wear time, and a discreet design. The Dexcom G7 has a real-time sharing feature, a 10-day sensor wear time, but a bulkier design.

Which device is more accurate?

Both the devices come with innovative technology that makes them highly accurate in terms of measuring blood glucose levels.

How often do the sensors need to be replaced?

The Freestyle Libre 3 sensor needs to be replaced every 14 days, while the Dexcom G7 sensor needs to be replaced every 10 days.

Which device is more cost-effective?

The Freestyle Libre 3 is less expensive than the Dexcom G7, with the sensor costing around $70 and the reader being less expensive as well.

Does either device have a feature for sharing glucose data with others?

The Dexcom G7 has a “Share” feature that allows you to share your glucose data with others in real-time, whereas the Freestyle Libre 3 does not have this feature.

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