Versus Engine
RingConn Gen 2 vs Ultrahuman Ring Air
Specs, price and the one trade-off that actually decides it — RingConn Gen 2 against Ultrahuman Ring Air, side by side.
Cheaper to start
RingConn Gen 2
Starts about $50 lower.
Rated higher
RingConn Gen 2
8.7 vs 8.2 on our design scale.
Standout
RingConn Gen 2
No subscription — dramatically lower cost over three years

RingConn Gen 2
A $299 subscription-free smart ring built to outlast the Oura on battery.
Where it wins, where it doesn't
Pros
- No subscription — dramatically lower cost over three years
- Battery life exceeds the Oura, so it gets worn more consistently
- Straightforward entry price at $299
Cons
- App is a readout rather than an interpretation layer
- Ecosystem and third-party integrations thinner than Oura's
- Build finish a step below the category leaders
Specifications
- bestRating—
- category—
- ChargingMagnetic charging; approx. 90 minutes to full charge
- CompatiblityiOS 17.0+, Android 10.0+, Bluetooth 4.0 and above
- ConnectivityBluetooth 5.0; low power bluetooth module
- description—
- MaterialsTitanium Alloy, PVD Coating, Medical-Grade Epoxy Resin
- name—
- Offline Storage5–7 days
- price—
- priceCurrency—
- priceValidUntil—
- ratingValue—
- reviewCount—
- seller—
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- WaterproofIP68 (100m/328ft)
- Weight & DimensionsWidth: 6.8mm Thickness: 2mm Weight: 2–3g (depending on ring size)
- Working Temperature0°C–40°C/32°F–104°F
- worstRating—

Ultrahuman Ring Air
An ultra-lightweight smart ring designed for athletes and continuous glucose monitor integration.
Where it wins, where it doesn't
Pros
- Subscription-free model
- Actionable metabolic insights
- Incredibly light at 2.4g
Cons
- App interface can feel overwhelming
- External finish is prone to scratching
Specifications
- bestRating5
- categoryWearable Technology
- Charging—
- Compatiblity—
- Connectivity—
- descriptionUltrahuman Ring AIR ® is the world's most comfortable and compact smart ring that monitors your sleep, movement and recovery.
- Materials—
- nameUltrahuman Ring AIR
- Offline Storage—
- price349
- priceCurrencyUSD
- priceValidUntil2026-12-15
- ratingValue4.7
- reviewCount2500
- sellerUltrahuman
- shippingDestinationGLOBAL
- Waterproof—
- Weight & Dimensions—
- Working Temperature—
- worstRating1
