Dexcom
Dexcom Stelo
$99
Released 2024-08
Best Continuous Glucose Monitors · head-to-head
Dexcom Stelo vs Sibionics GS3
A sourced, side-by-side comparison. Dexcom Stelo is cheaper at $99. Every spec and price links to its source.
Sibionics
Sibionics GS3
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Dexcom Stelo | Sibionics GS3 |
|---|---|---|
| US price | $99 | — |
| Brand | Dexcom | Sibionics |
| Released | 2024-08 | — |
| Wear duration days | 15 | 14 |
| Warmup time hours | 0.5 | 1 |
| Reading interval min | 5 | 5 |
| Water resistance | Waterproof to 8 ft (2.4 m) for 24 hours | IP38 - water-resistant to 1 m for up to 1 hour |
| App platform | iOS & Android (Stelo app); syncs with Apple Health and Google Health Connect | iOS & Android |
| Prescription required | No | No |
| Mard accuracy pct | 8.3 | 8.83 |
| Sensor size | 1.1 x 0.9 x 0.2 in | 24.8 x 17.8 x 2.9 mm (0.98 x 0.70 x 0.11 in), 1.5 g |
Sources — Dexcom Stelo: consumerguide.diabetes.org (verified 2026-08-01). Sibionics GS3: sibionicscgm.com (verified 2026-08-01).
What's the difference between the Dexcom Stelo and Sibionics GS3?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Wear duration days: Dexcom Stelo 15 vs Sibionics GS3 14
- Warmup time hours: Dexcom Stelo 0.5 vs Sibionics GS3 1
- Water resistance: Dexcom Stelo Waterproof to 8 ft (2.4 m) for 24 hours vs Sibionics GS3 IP38 - water-resistant to 1 m for up to 1 hour
- App platform: Dexcom Stelo iOS & Android (Stelo app); syncs with Apple Health and Google Health Connect vs Sibionics GS3 iOS & Android
- Mard accuracy pct: Dexcom Stelo 8.3 vs Sibionics GS3 8.83
- Sensor size: Dexcom Stelo 1.1 x 0.9 x 0.2 in vs Sibionics GS3 24.8 x 17.8 x 2.9 mm (0.98 x 0.70 x 0.11 in), 1.5 g