SIDE BY SIDE
See prices, running costs, specifications and trade-offs side by side. Choose two to four products of the same type.
Smart ring
Galaxy Silver, sizes 6 to 14 (or 'Don't know my size' with the free sizing kit), charging dock included
$199US price, checkedSubscription-free $199 smart ring with up to 10 days of battery
Check price at RingConn for RingConn Gen 2 Air Full review →
Smart ring
Matte Black finish, sizes 6 to 15 (or 'Don't know my size' with the free Gen 3 sizing kit), charging case included
$349US price, checkedSubscription-free sleep and recovery ring with up to 14 days of battery
Check price at RingConn for RingConn Gen 3 Full review →| Criterion | RingConn Gen 2 Air | RingConn Gen 3 |
|---|---|---|
| US price | $199Checked Oct 13, 2026 · Price details in the review | $349Checked Oct 13, 2026 · Price details in the review |
| Three-year ownership estimate | $199 Incomplete known subtotal. Not included: energy use. | $349 Incomplete known subtotal. Not included: energy use. |
| Choose if | You want overnight sleep, HRV and temperature trends from a ring for under $200, with nothing more to pay each year. | You wear a size 6 to 15, want overnight sleep, HRV and temperature trends from a ring, and would rather pay $349 once than pay a yearly membership. |
| Main trade-off | It has no sleep apnea monitoring or charging case, and RingConn takes returns within 14 days only for a reason such as a defect or the wrong color. | The page gives no accuracy data for the vascular and sleep apnea insights, returns within 14 days need a valid reason such as a defect or wrong color, and the 1-year US warranty excludes battery replacement. |
| Key specifications |
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| Exact variant | Galaxy Silver, sizes 6 to 14 (or 'Don't know my size' with the free sizing kit), charging dock included | Matte Black finish, sizes 6 to 15 (or 'Don't know my size' with the free Gen 3 sizing kit), charging case included |
| Dimensions | 6.8 mm wide and 2 mm thick, weighing 2.5 to 4 g depending on ring size. RingConn's page doesn't give the inner diameter of each size. | 2.3 mm thick, weighing 2.5 to 3.5 g. RingConn's product page doesn't state the band width or the inner diameter of each size. |
| Installation | No installation. If you don't know your size, choose the free sizing kit ('Don't know my size') when you order. RingConn says it sends the kit before the ring ships, and that it arrives in 3 to 8 days, depending on location. It suggests wearing the sizing ring for at least 24 hours, including overnight, then submitting your size under 'My Orders'. If you're between sizes, it recommends the smaller one or sending RingConn photos and videos. The ring works with iOS 17.0 or later and Android 10.0 or later. Each account pairs with one ring at a time. In the box are the ring, a charging dock, a Type-C cable, and an instruction manual and quick start guide. | No installation. If you don't know your Gen 3 size, choose the free sizing kit option ('Don't know my size') when you order. RingConn says it sends the kit before the ring ships, and that the kit arrives in 3 to 8 days, depending on location. You then submit your size under 'My Orders'. The ring pairs with your RingConn App account over Bluetooth 5.0, on iOS 17.0 or later or Android 10.0 or later. RingConn lists the box contents as the Gen 3 ring, a charging case, a USB-C charging cable and a quick start guide. |
| Materials | Titanium steel with a PVD coating and medical-grade epoxy resin. The FAQ contrasts this with the titanium used for the Gen 2. | Titanium alloy, with medical-grade epoxy and a PVD coating. RingConn's FAQ describes the matte finish as non-reflective and understated. |
| Warranty | RingConn's Return & Refund Policy gives one year from delivery outside the EEA, which includes the US, and two years in EEA countries. It will repair, replace or refund if a defect in its workmanship causes the damage. Claims go to RingConn with proof of purchase. The warranty excludes improper or negligent use, maintenance contrary to instructions, normal wear and tear and accidental damage. The policy calls rechargeable batteries consumables with a limited lifespan and leaves battery replacement out of the standard warranty. The warranty transfers to later owners. The Gen 2 Air page itself carries no warranty text. | The warranty runs 1 year from delivery in the US and everywhere else outside the EEA. EEA countries get 2 years. RingConn's Return & Refund Policy says it will repair, replace or refund if a defect in its workmanship causes damage, with proof of purchase. It excludes improper or negligent use, maintenance contrary to instructions, normal wear and tear and accidental damage. The policy calls rechargeable batteries consumables with a limited lifespan, and the standard warranty doesn't include battery replacement. It doesn't say whether cosmetic damage or loss is covered. |
| Returns | Only rings bought directly from RingConn.com qualify. You have to request a return within 14 calendar days of delivery, and you need a valid reason. The policy lists a defect or damage on delivery, a color that doesn't match your order, or a product that differs significantly from its description. The ring must be in its original condition, unopened and unused. Once a return is approved, you have 14 days to send it back. You pay return shipping, and shipping, handling and tax aren't refunded. The exception is a defect, damage or non-conformity you reported with photos in advance. No restocking fee is stated, but RingConn may deduct for damage, wear or missing parts. Refunds go to the original payment method within 30 calendar days of RingConn receiving the ring or proof of return, whichever comes first. Sizing kits can't be returned, and canceling after the kit ships costs $10. For a different size or color, the policy recommends returning the ring and placing a new order. | The product page advertises '14-Day Returns & Exchanges', with conditions applying and sizing kits excluded. The fine print is in RingConn's Return & Refund Policy. You have to request a return within 14 calendar days of delivery. Returns and exchanges both need a valid reason. The policy lists a defect or damage on delivery, a color different from the one you ordered, or a product that differs significantly from its description. The returned ring must also be in its original condition and, in the policy's words, one that 'has not been opened and used'. You pay return shipping, and shipping, handling and tax aren't refunded. The exceptions are a return for a defect, damage or non-conformity you documented with photos in advance, or one caused by RingConn's error. No restocking fee is stated, but RingConn may deduct for damage, wear or missing parts. Sizing kits are non-refundable and non-returnable. Canceling after a kit has shipped costs $10. For a different size or color, the policy recommends a return request and a new order. |
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These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.