Introduction:

Continuous Glucose Monitors (CGMs) are an essential tool for individuals with diabetes to monitor their blood sugar levels in real time. Two popular options on the market are the Freestyle Libre 2 and the Dexcom G7. Both devices offer unique features and benefits that cater to different preferences and needs. In this article, we will compare the Freestyle Libre 2 vs. Dexcom G7 to help you determine which CGM is right for you.

Freestyle Libre 2:

Accuracy:

1. The Freestyle Libre 2 is known for its accuracy in measuring blood glucose levels, with a MARD (Mean Absolute Relative Difference) of 9.3%.
2. This CGM utilizes factory calibration, which means users do not need to calibrate the device with fingerstick blood glucose readings.
3. The Freestyle Libre 2 has a 14-day wear time and can provide glucose readings every minute.

Features:

1. One of the key features of the Freestyle Libre 2 is its optional real-time alarms for high and low glucose levels, providing users with added peace of mind.
2. This CGM can be worn on the back of the upper arm, offering convenience and discretion for users.
3. The Freestyle Libre 2 is compatible with both Android and iOS devices for seamless data sharing and monitoring.

Cost:

1. The cost of the Freestyle Libre 2 depends on factors such as insurance coverage and location, but it is generally more affordable compared to other CGMs on the market.
2. Users can also take advantage of manufacturer discounts and assistance programs to help offset the cost of the device and sensors.
3. Overall, the Freestyle Libre 2 offers a cost-effective solution for individuals looking for continuous glucose monitoring.

Dexcom G7:

Accuracy:

1. The Dexcom G7 is praised for its accuracy, with a MARD of 8.8%, making it one of the most precise CGMs available.
2. This device is factory calibrated, eliminating the need for manual calibrations and reducing the margin for error.
3. The Dexcom G7 has a wear time of up to 14 days, providing users with continuous glucose monitoring without frequent sensor changes.

Features:

1. One standout feature of the Dexcom G7 is its customizable alerts and alarms, allowing users to set personalized thresholds for high and low glucose levels.
2. This CGM can be worn on various body locations, giving users the flexibility to choose the most comfortable placement.
3. The Dexcom G7 offers Bluetooth connectivity for data sharing with compatible smartphones and smartwatches, enhancing user experience and convenience.

Cost:

1. The Dexcom G7 is priced competitively in the CGM market, offering value for money with its advanced features and accuracy.
2. Users may qualify for insurance coverage or reimbursement programs to help offset the cost of the device and sensors.
3. Despite being a premium CGM, the Dexcom G7 provides users with an investment in their health and well-being through continuous glucose monitoring.

Conclusion:

In conclusion, both the Freestyle Libre 2 and the Dexcom G7 are top contenders in the continuous glucose monitoring market, each offering unique advantages and benefits. The Freestyle Libre 2 excels in affordability, optional alarms, and ease of use, making it an excellent choice for individuals seeking a cost-effective CGM. On the other hand, the Dexcom G7 stands out for its accuracy, customizable alerts, and Bluetooth connectivity, catering to users who prioritize precision and advanced features. Ultimately, the decision between the two CGMs will depend on individual preferences, needs, and budget considerations.

Key Takeaways:

• The Freestyle Libre 2 and Dexcom G7 are both reliable CGMs with unique features and benefits.
• The Freestyle Libre 2 is known for its affordability and optional alarms, while the Dexcom G7 offers superior accuracy and advanced features.
• Users should consider factors such as accuracy, features, wear time, and cost when choosing between the Freestyle Libre 2 and Dexcom G7.

FAQs:

1. Can the Freestyle Libre 2 be worn during physical activities?

   • Yes, the Freestyle Libre 2 is water-resistant and can be worn during exercise and other physical activities.

2. Is the Dexcom G7 compatible with smartwatches for real-time data monitoring?

   • Yes, the Dexcom G7 offers Bluetooth connectivity for data sharing with compatible smartwatches.

3. Do both the Freestyle Libre 2 and Dexcom G7 require calibration with fingerstick blood glucose readings?

   • No, both devices are factory calibrated, eliminating the need for manual calibrations.

4. What is the average wear time for sensors on the Freestyle Libre 2 and Dexcom G7?

   • Both the Freestyle Libre 2 and Dexcom G7 have a wear time of up to 14 days for continuous glucose monitoring.

5. Are there assistance programs available for reducing the cost of the Freestyle Libre 2 and Dexcom G7?

   • Yes, both manufacturers offer assistance programs and discounts to help offset the cost of the devices and sensors.

6. Can users set personalized thresholds for high and low glucose alerts on the Freestyle Libre 2?

   • Yes, the Freestyle Libre 2 offers optional alarms that can be customized to individual preferences.

7. Which body locations can the Dexcom G7 be worn on for continuous glucose monitoring?

   • The Dexcom G7 can be worn on various body locations, providing users with flexibility and comfort.

8. Do the Freestyle Libre 2 and Dexcom G7 offer seamless data sharing with smartphones and other devices?

   • Yes, both CGMs are compatible with Android and iOS devices for convenient data monitoring and sharing.

9. What is the average MARD for the Freestyle Libre 2 and Dexcom G7 in measuring blood glucose levels?

   • The Freestyle Libre 2 has a MARD of 9.3%, while the Dexcom G7 boasts a MARD of 8.8% for accurate readings.

10. Are the Freestyle Libre 2 and Dexcom G7 covered by most insurance plans for individuals with diabetes?

    • Coverage for CGMs varies depending on insurance providers, but many plans offer reimbursement or coverage for the Freestyle Libre 2 and Dexcom G7.