Dexcom vs. Freestyle Libre?

The Dexcom and Freestyle Libre are the two leading Continuous Glucose Monitors (CGMs), and both are excellent tools, but they cater to slightly different preferences. The Dexcom (like the G7) is heavily favored by people with Type 1 diabetes and those who use automated insulin pumps. It provides real-time, continuous data sent directly to your smartphone without needing to scan the sensor. It boasts highly customizable alarms for rapid rises, falls, and predicted urgent lows, making it excellent for proactive management. It is approved for integration with major pump brands like Tandem and Omnipod. The Freestyle Libre (like the Libre 3) is a favorite for its incredibly low profile and affordability. Historically, older Libre models required you to physically scan the sensor with your phone to get a reading, but the Libre 3 now streams data continuously like the Dexcom. The Libre generally has a slightly longer sensor wear time (14 days compared to Dexcom's 10 days) and often costs less out-of-pocket for those without extensive insurance coverage. Your choice depends on budget, insurance, and whether you plan to loop with a pump.