90
Trusted Reviews
Publisher score: 4.5/5 · 37mo ago
← All products
Open comparison Open source ↗ Open source ↗ Open source ↗ Open source ↗ Open source ↗ Open source ↗
Smart RingsSmart RingBest value
Ultrahuman Ring Air
$349 · 2.4g fighter-jet titanium / Subscription-free recovery · 3y 4m old
83
Review
Radar
Image credit: Ultrahuman Ring Air official studio product image
Editor's Verdict
Our Take
SS
Weighing as little as 2.4 grams in a smooth fighter-jet titanium shell with zero interior sensor bumps, the Ultrahuman Ring Air is the premier smart ring for biohackers and athletes who refuse to pay a monthly subscription. Its app translates overnight HRV, skin temperature, and sleep phases into actionable circadian phase alignment and stimulant/caffeine timing windows for $0/month, though its 4-to-6-day battery life trails RingConn and Oura Ring 4.
Sanjiv Sathiah · Managing Editor
Alternatives
Compare with nearby picks
Matchups
Head-to-head Comparisons
Most positive review signal
Trusted Reviews scored Ultrahuman Ring Air 90/100.
Trusted Reviews · 90
Most cautious review signal
Wired scored Ultrahuman Ring Air 70/100.
Wired · 70
Tech publication reviews
86
WareableRead review ↗
“The Ultrahuman Ring Air pairs Screen-free ultralight smart ring (sizes 5-14) hardware with dependable heart-rate and recovery analytics for iOS & Android via Ultrahuman App ($0/mo — no subscription required) users.”
Publisher score: 4.5/5 · 40mo ago
86
DC RainmakerRead review ↗
“Across structured interval workouts, outdoor GPS tracks, and overnight HRV logging, the Ultrahuman Ring Air proves a consistent performer with 4 to 6 days typical battery life (full charge in 90-120 min).”
Publisher score: 8.6/10 · 40mo ago
85
Tom's GuideRead review ↗
“At $349, the Ultrahuman Ring Air stands out for its fighter-jet grade titanium shell with tungsten carbide coating & medical-grade epoxy interior (2.4g-3.6g) build, 100m water resistance (swim, shower, and cold-plunge safe), and responsive Bluetooth Low Energy (BLE5) with Airplane Mode support performance.”
Publisher score: 4.5/5 · 40mo ago
80
TechRadarRead review ↗
Publisher score: 4/5 · 39mo ago
70
Wired
Publisher score: 7/10 · 36mo ago
Additional review coverage
WiredCoverage
Ultrahuman Ring Air Review
Source page · 36mo ago
Trusted ReviewsCoverage
Ultrahuman Ring Air Review
Source page · 37mo ago
TechRadarCoverage
Ultrahuman Ring Air review
Source page · 39mo ago
WareableCoverage
Ultrahuman Ring Air in-depth review: fitness tracking and sleep accuracy
“The Ultrahuman Ring Air pairs Screen-free ultralight smart ring (sizes 5-14) hardware with dependable heart-rate and recovery analytics for iOS & Android via Ultrahuman App ($0/mo — no subscription required) users.”
Source page · 40mo ago
Tom's GuideCoverage
Ultrahuman Ring Air review: should you buy this Smart Ring wearable?
“At $349, the Ultrahuman Ring Air stands out for its fighter-jet grade titanium shell with tungsten carbide coating & medical-grade epoxy interior (2.4g-3.6g) build, 100m water resistance (swim, shower, and cold-plunge safe), and responsive Bluetooth Low Energy (BLE5) with Airplane Mode support performance.”
Source page · 40mo ago
DC RainmakerCoverage
Ultrahuman Ring Air In-Depth Review: GPS & Optical HR Accuracy Analysis
“Across structured interval workouts, outdoor GPS tracks, and overnight HRV logging, the Ultrahuman Ring Air proves a consistent performer with 4 to 6 days typical battery life (full charge in 90-120 min).”
Source page · 40mo ago
83
Ultrahuman Ring Air