Differences between Dexcom and Freestyle Libre

There are a few significant distinctions between Dexcom and Freestyle Libre, two of the most widely used continuous glucose monitoring (CGM) devices. For those with diabetes, both provide real-time glucose monitoring; nevertheless, there are differences in their functionality, accuracy, and user experience.

1. Real-Time Monitoring vs. Scanning

• With automatic updates delivered every five minutes to a smartphone, receiver, or smartwatch, Dexcom offers continuous glucose readings in real-time. The user doesn’t have to do anything to check their blood sugar levels.
• In contrast, Freestyle Libre requires the user to scan the sensor in order to get a reading of their blood sugar. While previous models rely on scanning, the more recent Freestyle Libre 3 gives real-time tracking similar to that of Dexcom.

2. Warm-Up Period

• The Dexcom G7 has shortened the 2-hour warm-up period from the Dexcom G6 to just 30 minutes.
• Readings on the Freestyle Libre are usually not accessible until after a one-hour warm-up.

3. Sensor Life

• The lifespan of the Dexcom G6 and G7 sensors is ten days.
• Freestyle Libre has an advantage in terms of the amount of time between sensor changes because its sensors can last up to 14 days.

4. Alarms and Alerts

• For those who require continuous monitoring, Dexcom is very dependable because it provides personalised notifications and alarms for both high and low blood sugar levels, even in the absence of a scan.
• The Freestyle Libre 1 and 2 models from earlier times needed to be scanned for data; however, the Freestyle Libre 2 and 3 now include optional alarms.

5. Integration and Compatibility

• Dexcom is compatible with a variety of gadgets, such as smartwatches, cellphones, and insulin pumps.
• While Freestyle Libre’s environment is more constrained than Dexcom’s, it is nonetheless smartphone compatible.

Conclusion

In conclusion, Freestyle Libre offers longer sensor wear and a more affordable solution for users, while Dexcom offers automatic real-time monitoring with additional integration possibilities and customisable alerts. Your decision for diabetes management will rely on your unique requirements, way of life, and preferences.