Three smart rings compared: price, membership, sizes and delivery
On what we could check: Oura needs a paid membership for its full insights (the ring and app still work without one), Ultrahuman says it has no recurring subscription fees, and Zenlyf makes the ring's readings free and charges only for its AI, WhatsApp and Zenlyf Link features. We could not compare hardware, because Zenlyf has not published its specifications.
| Feature | Zenlyf Ring | Oura Ring | Ultrahuman Ring AIR |
|---|---|---|---|
| Price | In naira, shown live on the ring page | Oura Ring 5 listed from $399 (USD); some finishes $4991 | $349 (USD) on its Nigeria page3 |
| Ongoing cost | Ring readings are free to see. The AI companion, WhatsApp assistant and Zenlyf Link are part of Plus and Pro | Membership $5.99 a month or $69.99 a year (US prices), first month free for new members. Without it the ring and app still work, with much more limited insights2 | States there are no recurring subscription fees for accessing your data3 |
| Sizes | US 6 to 13 | Not checked | US 5 to 14, no half sizes; free sizing kit with an order3 |
| Trying it risk-free | Cancel a pre-order for a full refund until it is packed | Not checked | 30-night risk-free trial with free returns3 |
| Buying from Nigeria | Pay in naira by card, bank transfer or USSD (Paystack) | Not checked | Has a Nigeria buy page; price shown in US dollars3 |
| Delivery to Nigeria | Free. Lagos 1 to 3 days, elsewhere 3 to 7 days once the ring ships | Not checked | Dispatch date shown after you choose a size3 |
- Hardware. We did not compare battery life, water resistance, weight or materials. Zenlyf has not published its specifications yet, so any comparison would be one-sided.
- Accuracy. Zenlyf has not published validation of its sensors. We make no accuracy claim, in either direction, and we do not compare accuracy with Oura or Ultrahuman.
- A dash means we did not find that fact on the maker's own page on 7 October 2026. It does not mean the maker lacks the feature.
How we compared
Every Oura and Ultrahuman entry in the table was read on the maker's own public page on 7 October 2026, and links to it in the sources below. Prices change and vary by country and finish, so check the maker's page before you buy. Prices are in US dollars exactly as listed. We have not converted them to naira, because exchange rates move daily and delivery, duties and card fees are extra.
For Zenlyf we use only product facts we can stand behind: sizes, the pre-order terms, how you pay, delivery and what is free. We leave out anything we cannot yet back up.
The biggest difference is what you pay after the ring
Oura's membership is priced at $5.99 a month or $69.99 a year on its US page, with a free first month for new members. Oura says the ring and app still work without membership but the insights and benefits are much more limited. Over a year, that is a real extra cost on top of the ring.
Ultrahuman's Nigeria page says there are no recurring subscription fees for accessing your data. On Zenlyf, your ring's readings are free to see. The AI companion, the WhatsApp assistant and Zenlyf Link are part of the paid Plus and Pro plans. For the full picture, read do you need a subscription for a smart ring.
What Zenlyf offers that we did not compare
Zenlyf is built around a care circle: people you choose can be told when something is wrong, but only after they accept your invitation, and you can stop sharing at any time. It also has an assistant you can message on WhatsApp. We did not check whether Oura or Ultrahuman offer something similar, so we are not claiming these as differences. Learn more on the Zenlyf Ring page.
Who should choose which
- If you want to avoid a monthly fee, check Ultrahuman's no-subscription statement and Zenlyf's free readings.
- If you want to pay in naira by transfer or USSD and have delivery inside Nigeria, Zenlyf is built for that. Ultrahuman shows prices in US dollars.
- If hardware specifications and independent accuracy testing matter most to you, note that Zenlyf is a new product on pre-order and has published neither yet. Check Oura's and Ultrahuman's own pages for theirs.
- If you are unsure about size, our ring size guide walks through measuring at home.
Common questions
We cannot say, and we do not claim it. We compared only what we could source: price format, membership, sizes and delivery. Zenlyf has not published accuracy testing or hardware specifications.
Ultrahuman has a Nigeria buy page showing the Ring AIR for purchase, with the dispatch date shown after you choose a size. Check that page for current terms.
That is how Oura and Ultrahuman list them. We show them as listed and do not convert, because exchange rates and fees change.
Keep reading
Zenlyf makes a smart ring that reads heart rate, blood oxygen and sleep, and can tell the people you trust when something is wrong. See the Zenlyf Ring.
Sources
- Oura, Oura Ring store page. Read on 7 October 2026.
- Oura, Oura membership. Read on 7 October 2026.
- Ultrahuman, Ultrahuman Ring AIR, Nigeria buy page. Read on 7 October 2026.
- Ultrahuman, Ultrahuman home page. Read on 7 October 2026.