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Oura Ring Gen 4 Review: A Sleek, AI-Powered Health Companion for Better Sleep and Wellness

The Oura Ring Gen 4 is a game-changer for anyone looking to fine-tune their wellness routine. After wearing it consistently for six months, I can confidently say that this advanced smart ring has helped me adjust my sleep schedule and gain deeper insights into my overall health. With its cutting-edge AI-powered sensors, the Oura Ring Gen 4 tracks sleep quality, heart rate variability, SpO₂ levels, and even body temperature—all in a discreet, stylish titanium band. I hope you find my Oura Ring review helpful.

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Table of contents

My First Impression

Author – Timothy Carnahan

I first noticed the Oura Ring Gen 4 because it promised detailed health tracking without the bulk of a smartwatch. At first, I was unsure about wearing a ring for health monitoring. However, I quickly found that its lightweight design and stylish look made it feel more like a form of jewelry than a fitness gadget. Over the past six months, it has helped me keep a steady sleep schedule. In addition, it has given me clear insights that have improved my daily habits.

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Oura Ring Gen 4 Worn on pointer finger for Oura Ring Review
Oura Ring Gen 4 App - Oura Ring Gen 4 Sleep Tracking

Performance and Daily Use

The Oura Ring Gen 4 delivers accurate, comfortable health tracking. Its AI-powered sleep tracking helped me adjust my bedtime routine, leading to better rest. For example, the AI sleep tracking system has helped me adjust my bedtime routines, which leads to better rest. Whether I check my recovery score in the morning or view data during workouts, the Oura Ring Gen 4 works consistently. Moreover, its advanced sensors now cover a wider range of tissue depths and signal pathways. As a result, you don’t need to worry about perfect positioning, so you can wear it all day—even when your hands are always busy.

What Does the Future Hold?

The Oura Ring Gen 4 is already a standout in today’s smart ring market, and its journey is just beginning. I am excited to see future improvements in software and user interface features. With updates rolling out continuously, the ring may soon offer even more personalized insights—perhaps with enhanced meal logging or stress management tools. For those on a health journey, this device promises to grow along with your needs.

Oura Ring Gen 4 Activity Tracker - Oura Ring Gen 4 Subscription Cost
Oura Ring Charging - Oura Ring Gen 4 Battery Life

Technical Details of the Oura Ring Gen 4

Feature Detail
Brand OURA
Model Number JZ90-54217-08
Built-In Media Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Wearable Computer Type Smart Ring
Customer Reviews 4.2 out of 5 stars (1,075 ratings)
Best Sellers Rank #1,528 in Electronics; #3 in Smart Rings
ASIN B0D9WVSZ56
Item Dimensions 0.98 x 0.98 x 0.28 inches
Health Features AI-driven sleep tracking, SpO₂ monitoring, heart rate variability, temperature sensing
Additional Features Heart Rate Monitor, Activity Tracker
Subscription Monthly membership required for full features
Battery Life Up to 7 days per charge (Lithium Polymer)
Materials Band & Case: Titanium with a scratch-resistant coating
Water Resistance Water Resistant, up to 328 Feet (IP68)
Connectivity Bluetooth, USB; supports app integration with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
Compatibility iOS, Android, and Smartphone
Warranty & Support Standard/Full warranty (request via customer service)

* Specs obtained from Amazon and in-house testing.

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Drawbacks of the Oura Ring Gen 4

While the Oura Ring Gen 4 brings numerous enhancements, there are a few drawbacks worth noting:

  • ❌ Subscription Required – Full features require a monthly membership.
  • 💰 Premium Price – The high-end design comes with a higher cost.
  • 📵 No On-Ring Display – All data must be accessed via the app.
Oura Ring Gen 4 Worn 2 - Oura Ring 4 vs. competitors
Oura Ring Gen 4 Screenshot

Despite these minor cons, the overall experience remains highly positive, especially for those focused on detailed sleep and health tracking.


How the Ultrahuman Ring Air Compares to Other Smart Rings

Feature Oura Ring Gen 4 Oura Ring Gen 4 RingConn Smart Ring Gen 2 RingConn Smart Ring Gen 2 Ultrahuman Ring AIR Ultrahuman Ring AIR Jakcom R5 Smart Ring Jakcom R5 Smart Ring
Best For Sleep Tracking, Wellness Insights Stress & Fitness Tracking (No Subscription) Athletes, Metabolic Health Tracking Budget, Basic NFC & RFID Features
Subscription Required? ✅ Yes (for advanced insights) ❌ No ❌ No ❌ No
Sleep Tracking ✅ Best-in-Class AI Sleep Analysis ✅ Tracks sleep stages, but no AI insights ✅ Tracks recovery & metabolic rate

❌ No sleep tracking
Battery Life 🔋 Up to 7 days 🔋 Up to 12 days 🔋 Up to 6 days 🔋 7+ days
Health Features 💙 AI Sleep, HRV, SpO₂, Readiness Score 💙 Stress, HRV, Fitness Recovery 🔥 VO2 Max, Metabolic Tracking, Recovery 🔄 Basic Step Tracking, NFC Payments
Water Resistance 🌊 IP68 (328 ft) 🌊 IPX8 🌊 IPX8 💦 Splash-resistant
Materials 🛡️ Titanium 🛡️ Titanium Alloy 🛡️ Lightweight Titanium 🔧 Stainless Steel & Ceramic
On-Ring Display ❌ No, App-Based ❌ No, App-Based ❌ No, App-Based ✅ Yes, Small LED Display
Compatibility 📱 iOS, Android 📱 iOS, Android 📱 iOS, Android 📱 Android, Some iOS Features
Price Range 💰 $$$ (Premium) 💰 $$ (Mid-Range) 💰 $$$ (Premium) 💰 $ (Budget)

Comparing My Experience with Other Reviews

A colleague recently shared their detailed review of the Oura Ring Gen 4, highlighting several improvements over previous generations. They noted that the ring now feels more like refined jewelry and that the updated Smart Sensing platform has made it more accurate—even when worn during everyday activities. Their review rated the device a 9/10, praising the enhanced sensor placement and battery life while noting that the premium finishes come at a higher price.

Like them, I’ve experienced firsthand how the ring’s seamless design and smart technology work together to improve sleep quality and overall health. Despite a few minor cons—such as the ongoing subscription for unlocking all features—the benefits of more precise data and a comfortable, stylish design make the Oura Ring Gen 4 a worthwhile investment.


Final Thoughts

After six months of continuous wear, the Oura Ring Gen 4 has become an indispensable part of my wellness toolkit. It’s not just about tracking steps or calories—it’s about understanding your body’s rhythms and making smarter lifestyle choices. Whether you’re a seasoned wellness enthusiast or just starting to pay attention to your sleep patterns, this smart ring offers the tools you need for a healthier, more balanced life.

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