The world’s leading smart ring, Oura Ring packs sleep insights, heart rate monitoring, activity tracking, cycle tracking, and more into a single (and stylish) wearable.
After all, personalization is key. When it comes to health and wellbeing, what works for one person won’t necessarily work for you. That’s where Oura is different: It gets to know your personal baselines and provides tailored insights to help you answer key questions about your health.
So, if you’re wondering, “What does Oura Ring do?” keep reading.
What Is Oura Ring?
Oura Ring is a lightweight smart ring that tracks your sleep, activity, recovery, heart rate, and overall health to give you personalized insights every day. It turns your body’s signals into clear, actionable data that helps you sleep better, recover smarter, and live healthier.
Worn on your finger, Oura uses advanced sensors to measure heart rate, heart rate variability (HRV), body temperature trends, blood oxygen (SpO2), and movement. Because your fingers are one of the most accurate places to capture pulse signals, Oura can deliver medical-grade accuracy in a discreet, comfortable design.
With your Oura Membership, Oura Ring doesn’t just give you raw data—it adapts to your personal “normal” over time, building baselines and trends unique to you.
Through the Oura App, you’ll also get daily guidance on when you should consider winding down for bed, where you’re at in your menstrual cycle, whether your data is flagging any potential illnesses, and insight into longer-term trends—tools designed to help you make smarter choices about sleep, training, recovery, and stress.
Is Oura Ring Worth It? Here’s What Makes Oura Different
Oura is designed to deliver research-grade insights without disrupting your daily life. Below, learn some of the things that make Oura Ring unique.
Oura Provides a Holistic View of Your Health
Unlike wearables that focus on one metric, Oura takes a 360° approach to your health and wellbeing. Oura goes far beyond sleep tracking to give you a complete picture of your body’s signals and how they connect. Instead of siloed stats, Oura combines multiple data streams—sleep, Readiness, and activity—with new features that expand into cardiovascular, metabolic, and reproductive health.
Recent updates, such as Glucose (via Stelo by Dexcom), Oura Advisor, Meals, Cardiovascular Age, Fertile Window, Pregnancy Insights, Discoveries, Cardio Capacity (VO2 max), Stress, Symptom Radar, and Resilience, provide members with tools to see how their daily habits impact their long-term health.
That means you can understand how late-night meals affect your glucose, how stress influences recovery, or how sleep patterns align with your menstrual cycle or pregnancy stage. By unifying these insights in one intuitive App, Oura empowers you to connect the dots between lifestyle choices, recovery, cardiovascular health, and hormonal balance—helping you act on the full story of your health.
Oura’s Accuracy is Scientifically Validated
While Oura is not a medical device, its accuracy has been rigorously validated against scientific gold standards:
- Sleep staging algorithm: Our sleep staging algorithm achieves 79% agreement with polysomnography (PSG)—the gold standard for sleep testing—across four stages: wake, light, deep, and REM. Most wrist wearables average only 60–65%.
- Resting heart rate and HRV: A recent independent peer-reviewed study found that Oura Ring Gen3 and Oura Ring 4 consistently showed the strongest agreement for both HRV and RHR measurements.
- Temperature trends: Oura Ring performs at >99% accuracy compared to research-grade sensors, detecting changes as small as 0.13 °C.
- Finger advantage: A growing body of evidence suggests that finger-worn wearables, such as Oura Ring, are likely to offer superior performance and wearability. The finger provides stronger and more stable signals than the wrist, thanks to its rich blood flow and high vascular density—making it the preferred site for high-fidelity physiological monitoring.
READ MORE: Oura in Research
More Than a Decade’s Worth of Research
While many other wearable brands have come to market, Oura was founded over 12 years ago in 2013. Oura was conceived in Oulu, Finland, when a group of tech visionaries came together to transform personal health and wellness using innovative wearable technology. The first-generation Oura Ring was launched in March 2015, and since then, it has been consistently improved upon and developed with new features and enhanced sensing capabilities.
As of 2025, more than 5.5 million Oura Ring devices/models have been sold worldwide—backed by over a decade of research, development, and real-world validation. When you choose Oura, you’re investing in a proven, science-backed tool designed to stand the test of time.
READ MORE: The Origins and Evolution of Oura Ring
Oura is Completely Personalized for You
No two bodies are alike—which is why Oura doesn’t rely on one-size-fits-all benchmarks like “10,000 steps.” Instead, Oura learns your personal baseline and adapts over time to reflect your unique version of “normal.”
For instance, your daily Activity Goal automatically adjusts based on your Readiness Score, so if your body signals that it needs rest, Oura highlights it—helping you recover instead of pushing past your limits. The same goes for sleep: if your night was cut short, or your data shows early signs of strain or illness, Oura’s compassionate insights may encourage you to take a nap or go to bed earlier.
From detecting subtle temperature shifts that inform period prediction accuracy, to Tags and Discoveries that reveal lifestyle patterns, to AI-powered guidance with Oura Advisor based on your own data, every feature is designed around your body—not the average. This personalized approach helps you make smarter decisions that align with your health, lifestyle, and long-term goals.
Oura is Intuitive by Design
Health tracking should fit seamlessly into your life—not complicate it. Oura Ring is designed with simplicity in mind, so you can focus on living your day while Oura quietly captures the data that matters.
- Comfortable and discreet: With no screen, straps, or buzzing notifications, Oura Ring is one of the most subtle and comfortable ways to track sleep and health. You can wear it day and night without disrupting your routine.
- Durable and low-maintenance: Oura Ring is water-resistant up to 100m, built to withstand saunas and ice baths, and offers long battery life so you don’t have to think about charging every day.
- An intuitive app experience: Insights only matter if they’re easy to understand. The Oura App translates complex biometrics into clear, actionable guidance categorized into three tabs: Today, Vitals, and My Health.
From setup to daily use, Oura is designed to feel intuitive and stress-free—so you can spend less time managing tech and more time benefiting from your data.
Oura Integrates With Your Favorite Apps
Oura doesn’t just track your health in isolation—it connects seamlessly with the tools you already use. You can integrate Oura with Apple Health, Google Fit, Strava, Natural Cycles, Stelo by Dexcom, and more, syncing your sleep, activity, and readiness data across platforms for a complete view of your wellbeing.
Through Health Connect (Android) or Apple Health (iOS), Oura data can flow into dozens of other health and fitness apps you may already rely on, making it easy to centralize your health tracking. Oura also offers an open API for developers who want to build custom integrations.
LEARN MORE: Integrations
Oura is Backed by 30+ PhDs and a Global Team
Behind every Oura Ring is a global team, nearing 1,000 employees, spanning countries and continents, united by the mission to help people better understand their health. At the core of this effort is Oura’s interdisciplinary science team, which includes 30+ PhDs across fields like sleep science, physiology, psychology, data science, and biomedical engineering.
Additionally, our medical advisory board comprises leading experts from various fields, including sleep, women’s health, stress, illness, and mental health, to validate our research and share their expertise with our Members.
What Does Oura Ring Track?
Oura Ring translates your body’s signals into clear insights that help you answer key questions about your health. Every day, you’ll see three main scores:
- Your Readiness Score: “How ready are you for the day?”
- Your Sleep Score: “How well did you sleep last night?”
Your Activity Score: “How well are you balancing your activity and rest?”
Your scores range from 0 to 100. Each day, a quick glance at your scores provides a daily overview of your health.
These three main scores are supported by a wide range of detailed metrics and features, including:
Become an Oura Member: How Much is Oura Ring Membership?
You don’t need to be a fitness expert or medical professional to understand your health—just a willingness to listen and learn from your body. With Oura Membership, your Oura Ring becomes more powerful. Every metric you track stacks together into meaningful daily insights.
What Oura Membership Includes
With Oura Membership, you get access to features like:
- Daily reports on Sleep, Readiness, and Activity scores, showing how well you slept, how ready your body is, and what your activity goal should be.
- In-depth sleep analysis, including advanced sleep stages, nightly movement, and SpO₂ (blood oxygen) tracking.
- Real-time activity tracking, workout heart rate, and automatic detection of daily movement.
- Continuous trends and insights: temperature shifts, baseline changes, and markers that may suggest illness or recovery needs.
- Powerful tools: Rest Mode, Tags to log habits and trigger patterns, and Bedtime Guidance to help you wind down at your best hours.
- Insights over time: calendar views, weekly/monthly/quarterly trend reports so you can see how your health is evolving.
Cost & Trial
- New members start with a free first month. After that, it’s USD $5.99/month in the U.S., or USD $69.99/annually.
- Pricing varies by country; in the EU, UK, Canada, etc., local currency and tax apply.
What if I Pause or Cancel Oura Membership?
Non-paying members retain basic features—Sleep, Readiness, and Activity scores—and access to educational “Explore” content. You won’t lose your data if you cancel; it remains stored unless you choose to delete your account.
Where to Buy Oura Ring
Oura Ring is available for purchase at various retail locations globally. View retailers by location here.
Oura Ring is not a medical device and is not intended to diagnose, treat, cure, monitor, or prevent medical conditions or illnesses. Please do not make any changes to your medication, nutrition, or workouts without first consulting your doctor or another medical professional.