Where to buy
Prices from trusted US retailers, updated daily.
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Should you buy it?
Buy the Oura Ring 4 if you want Oura's sleep and readiness tracking for $50 less than the Ring 5: Oura lists it at $349 (Oct 8, 2026). Reviewers rated it the best smart ring of its generation for its comfortable titanium design, many sizes and finishes, and longer battery than the Ring 3. Budget for the membership, $5.99 a month or $69.99 a year, because most insights sit behind it. Skip it if you want the newest hardware, since the Ring 5 is much smaller, and note that step counts can be off.
Sleep and recovery trackers who want a proven smart ring for less than the Ring 5.
Anyone who won't pay a monthly membership, and step-count purists.
What other reviewers say
Reviews from other sites and creators. They don't change the Gadget Clash score.