Libre 3 Plus vs. Libre 2 Plus vs. Dexcom G7: Which CGM Fits Your Lifestyle?
Share
Key Differences at a Glance
| Sensor Life | Libre 3 Plus: 14 days | Libre 2 Plus: 14 days | Dexcom G7: 10 days |
| Scan/Read | Auto-scans every minute | Manual scan required | Real-time alerts |
| Smartphone App | Libre 3 app (iOS/Android) | Libre 2 app (iOS/Android) | Dexcom G7 app (iOS/Android) |
| Alarms | Customizable | Limited | Advanced customizable |
| Water Resistance | IP67 (splashproof) | IP67 (splashproof) | IP68 (swim-proof) |
| Cost (approx.) | $$$ | $$ | $$$ |
Why It Matters
- Libre 3 Plus offers seamless, automatic glucose tracking — ideal for users who want minimal interaction.
- Libre 2 Plus is budget-friendly but requires manual scanning — great for cost-conscious users.
- Dexcom G7 excels in real-time alerts and integration with insulin pumps — perfect for tight glucose control.
Final Tip: Choose Libre 3 Plus for convenience, Libre 2 Plus for a low-bluetooth option, or Dexcom G7 for advanced alerts and pump compatibility (great if you're diabetic using insulin).
Our recommendation: The Libre 3 Plus or you can go with the Libre 2 Plus if you'll be good about scanning the CGM to collect your data (every 7-8 hours).