Luna Ring 2.0 vs Ultrahuman Ring AIR

What Ring 2.0 does better (0) and where Ring AIR wins (1) — every spec side by side.

Luna · 2026Ring 2.0

0 advantages≈ $320

Ultrahuman · 2024Ring AIR

9.5Score

1 advantage≈ $250

Higher score

9.6Health tracking8.8

Why is Ring 2.0 better than Ring AIR?

Ring 2.0 has no measurable advantages in this pair.

Specifications

Only differences	Luna Ring 2.0≈ $320	Ultrahuman Ring AIR≈ $2509.5
Design & durability
Weight	—	2.4 g
Water resistance	5 ATM	10 ATM
Water rating (maker)	5 atm / 50 m	10 atm / 100 m
Battery
Battery life (smartwatch mode)	6 days	6 days
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	—	Yes
Skin temperature	Yes	Yes
HRV tracking	Yes	—
Sensors	heart rate, accelerometer	heart rate, SpO2, accelerometer