A
Glucose Monitor
FreeStyle Libre 3
Compact CGM with real-time glucose readings and smartphone alerts.
$$2023
Key Specs
Ecosystems
iOSAndroid
Connectivity
Bluetooth
Battery Life
14 days per sensor
Subscription
Optional
Features & Sensors
Features
- Real-time readings
- Minute-by-minute data
- Customizable alarms
- 14-day wear
- Smallest sensor
Sensors
- Glucose sensor
Pros & Cons
Pros
- Smallest CGM sensor
- More affordable than Dexcom
- 14-day wear time
- Real-time alerts
Cons
- Requires prescription
- Less accurate than Dexcom G7
- No sensor warmup period shown
Who Should Buy This?
Best For
- Diabetes management
- Budget-conscious diabetics
- Discreet sensor preference
Not Best For
- Those wanting highest accuracy
- Non-prescription users
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Sources
Last updated: 2026-05-19