Key takeaways
FreeStyle Libre 3 and Dexcom G7 15 Day are both continuous glucose monitoring (CGM) systems used to help manage diabetes by tracking blood glucose levels. But there are some differences between them. FreeStyle Libre 3 is approved for use in adults and children ages 4 years and older, while Dexcom G7 15 day is only approved for adults 18 years and older (the Dexcom G7 10 day is approved for children as young as age 2). The FreeStyle Libre 3 sensor lasts up to 14 days, whereas the Dexcom G7 sensor lasts up to 15.5 days. Freestyle Libre 3 takes glucose readings every minute, while Dexcom G7 15 day takes reading every 5 minutes. But the Dexcom G7 15 day can connect with up to 3 bluetooth devices at the same time, while Freestyle Libre 3 is limited to one connection at a time.
