Oura Ring Gen 4 vs Ultrahuman Ring Air
We compare the Oura Ring Gen 4 and Ultrahuman Ring Air head-to-head on performance, features, value, and more. Here's which one wins.
Oura Ring Gen 4
Scored 8.9/10 in our testing
Oura Ring Gen 4
SpO2, HRV, sleep staging with titanium build
Ultrahuman Ring Air
No monthly fee with movement and sleep
Score Breakdown
| Oura Ring Gen 4 | Category | Ultrahuman Ring Air |
|---|---|---|
| 8.7/10 | Performance | 8.7/10 |
| 8.6/10 | Features | ✓ 9.2/10 |
| 9.2/10 ✓ | Ease of Use | 8.4/10 |
| 9.3/10 ✓ | Value | 8.5/10 |
| 8.9/10 ✓ | Overall | 8.5/10 |
Specs Comparison
| Oura Ring Gen 4 | Spec | Ultrahuman Ring Air |
|---|---|---|
| See Amazon for full specs | Details | See Amazon for full specs |
Oura Ring Gen 4
Pros
- + Water resistant for swimming
- + Accurate health tracking
- + Slim profile under cuffs
Cons
- − Setup takes some patience
Ultrahuman Ring Air
Pros
- + Quick-release bands
- + Reliable notifications
- + Multi-day battery life
Cons
- − No carrying case included
Our Verdict
Based on our scoring, the Oura Ring Gen 4 comes out on top with an overall score of 8.9/10. SpO2, HRV, sleep staging with titanium build.
Buy the Oura Ring Gen 4 on AmazonRead the full Best Smart Rings 2026 guide for complete reviews of all 4 products.
Related Guides
Best Smartwatches 2026
10 products compared
Best Fitness Trackers 2026
10 products compared
Best Budget Smartwatches of 2026: Premium Features at a Lower Price
9 products compared
Best Android Smartwatches of 2026: Samsung, Google, and More Tested
8 products compared
Best GPS Running Watches 2026
12 products compared
Best Fitness Tech 2026
7 products compared