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Oura Ring 4 vs Ultrahuman Ring Air: Which one is better in 2026?
Detailed technical comparison between Oura Ring 4 and Ultrahuman Ring Air. We analyze battery, sensors, price, and subscription.
Technical Specifications
| Feature | Oura Ring 4 | Ultrahuman Ring Air |
|---|---|---|
| Battery | ✓ 7-8 días | ✓ 6 días |
| Sensors | ✓ Smart Sensing (18 rutas de señal), HRV, temperatura basal, SpO2 | ✓ HRV, Temperatura, Movimiento, SPO2 |
| Waterproof | ✓ 100m | ✓ 100m |
| Subscription | ✓ 5.99€/mes | ✓ Sin suscripción |
✓ Oura Ring 4
- • Interior liso de titanio (Full Titanium)
- • Algoritmo Smart Sensing de alta precisión
- • Autonomía mejorada de 8 días
✓ Ultrahuman Ring Air
- • Sin cuotas mensuales
- • El más ligero del mercado (2.4g)
- • Coaching de cafeína y ritmos circadianos
The choice depends on your priorities.
"If you are looking for interior liso de titanio (full titanium), go for the **Oura Ring 4**. But if you prefer sin cuotas mensuales, the **Ultrahuman Ring Air** is your best bet."
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