Oura sells rings that monitor your sleep and activity and offers personalized health insights.

ŌURA is the company behind the Oura Ring - the smart ring that delivers personalized health data, insights, and daily guidance. ŌURA believes health is a daily practice and, with personalized insights and guidance, you can control the course of your health to live a more balanced life. The Ring tracks all stages of sleep and recovery and accounts for daily activity to provide practical steps for long-term improvement. Founded in 2013, ŌURA Health is headquartered in Oulu, Finland, with offices in Helsinki, San Francisco, and San Diego. ŌURA has raised capital in the past from Lifeline Ventures, Forerunner Ventures, Temasek, The Chernin Group, JAZZ Venture Partners, and MSD Capital, among others. For more information, please visit http://ouraring.com/.
 
The Oura Ring is not a medical device and is not intended to diagnose, treat, cure, monitor, or prevent medical conditions/illnesses.

Kari Kivelä

Petteri Lahtela

Markku Koskela

Accessories

ŌURA earns strong reviews for accurate, habit-shaping sleep and recovery insights, discreet design, and helpful integrations (Apple Health, Strava, Natural Cycles), but reviews also flag weak workout detection, frequent scratching, and declining battery life over time. The brand is praised for temperature- and stress-based insights and an easy app, yet many reviews criticize accuracy for steady‑HR activities, subscription gating of core data, and inconsistent customer support—making it excellent for sleep-first wellness, less so for fitness tracking.

ŌURA products

Ring 4

Ring 5