Oura Ring Generation 4: 4 of 6 decision facts sourced.
Ultrahuman Ring AIR: 5 of 6 decision facts sourced.
| Oura Ring Generation 4 | Ultrahuman Ring AIR | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Capacity | Not yet sourced | 24 milliampere hours bestbuy.com |
| Dimensions | Width: 7.90mm, Thickness: 2.88mm ouraring.com | 12 bestbuy.com |
| Weight | 3.3 to 5.2 grams (depending on Oura Ring size) ouraring.com | 0.01 ounces bestbuy.com |
| Warranty | 1-year protection plan ouraring.com | 1 year bestbuy.com |
| Starting MSRP | $349 ouraring.com | $349.00 bestbuy.com |
Not yet sourced — Oura Ring Generation 4: Power, Capacity. Ultrahuman Ring AIR: Power. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Verdict: If budget is tight and you only need basic heart‑rate and activity data, the Ultrahuman Ring AIR provides sufficient functionality at a lower cost. Both rings score well on design and build quality, but Oura’s extra features justify its higher price for serious health enthusiasts.
Oura Ring Generation 4 lists at $299 while Ultrahuman Ring AIR lists at $199 — Ultrahuman Ring AIR undercuts Oura Ring Generation 4 by $100 (50%).
Winner: Oura Ring Generation 4
Oura Ring Generation 4: 7.5/10
Ultrahuman Ring AIR: 6.5/10
| Oura Ring Generation 4 | Ultrahuman Ring AIR | |
|---|---|---|
| Battery life | 5-8 days | — |
| Dimensions | Width: 7.90mm, Thickness: 2.88mm | 12 |
| Weight | 3.3 to 5.2 grams (depending on Oura Ring size) | 0.01 ounces |
| Material | Non-allergenic titanium on inner & outer surfaces | — |
| Warranty | 1-year protection plan | 1 year |
| Starting MSRP | $349 | $349.00 |
Our pick: Oura Ring Generation 4.
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