Oura Ring 4 Review: The Smart Ring That’s Redefining Wellness in 2025
When it comes to wearable health tech, smart rings have officially taken the spotlight in 2025. And leading that charge is the all-new Oura Ring 4 — a sleek, AI-powered ring that’s smarter, faster, and more insightful than ever.
In this blog, we’ll dive into what makes the Oura Ring 4 a must-have, how it compares to other smart rings like the Samsung Galaxy Ring and Ultrahuman, and why it might just be the best wellness tracker you can wear — literally on your finger.
✨ What is the Oura Ring 4?
The Oura Ring 4 is the latest version of the popular Oura smart ring. It’s a tiny device packed with advanced health-tracking features like:
- 24/7 heart rate monitoring
- Sleep and recovery analysis
- Blood oxygen (SpO₂) monitoring
- Body temperature tracking
- AI-powered health insights
- Stress and mood detection
- New: Nutrition & glucose-related predictions (via AI)
The ring is designed to be ultra-lightweight, stylish, and packed with sensors that rival even high-end smartwatches — but in a much smaller form factor.
🔍 Why Choose Oura Ring 4 Over Others?
Here’s a comparison table that highlights why the Oura Ring 4 stands out from the crowd:
| Feature | Oura Ring 4 | Galaxy Ring | Ultrahuman Ring Air | RingConn Gen 2 Air |
|---|---|---|---|---|
| Sleep Tracking Accuracy | ⭐⭐⭐⭐⭐ Industry-leading | ⭐⭐⭐⭐ Good | ⭐⭐⭐⭐ Good | ⭐⭐⭐⭐ Good |
| Heart Rate & HRV Monitoring | ✅ Advanced + AI-based | ✅ Standard | ✅ Standard | ✅ Standard |
| SpO₂ Tracking | ✅ Continuous + smart | ✅ | ✅ | ✅ |
| Skin Temperature Sensor | ✅ With predictive AI | ✅ Basic | ✅ | ✅ |
| Stress & Mood Detection | ✅ Emotion-aware AI | ❌ | ✅ | ❌ |
| AI Wellness Recommendations | ✅ Personalized | ❌ | ✅ Basic | ❌ |
| Battery Life | ~7 Days | ~5-6 Days | ~6 Days | ~6 Days |
| Subscription Model | Yes ($5.99/month) | Not Confirmed | ❌ No | ❌ No |
| App Experience | ⭐⭐⭐⭐⭐ Rich & user-friendly | ⭐⭐⭐⭐ Basic | ⭐⭐⭐ Standard | ⭐⭐ Limited |
| Weight / Comfort | Ultra-light (4g) | Slightly heavier | Light | Light |
Winner: ✅ Oura Ring 4 leads in key health features, AI integration, and user experience.
🧠 What’s New in Oura Ring 4?
- AI Health Predictions: The Oura app now uses your trends to predict potential issues like fatigue, illness, or overtraining — before symptoms hit.
- Nutrition Insight: Integration with glucose data and food intake gives you smart meal suggestions.
- Smart Sleep Coaching: Real-time suggestions to improve your sleep cycles based on REM/deep/light patterns.
- Menstrual & Cycle Predictions: Improved insights for women’s health tracking.
- Redesigned App UI (2025 Update): Cleaner, faster, and more personalized.
💬 Real-World Use Case: A Week With the Oura Ring 4
“I replaced my smartwatch with the Oura Ring 4, and I haven’t looked back. It’s so comfortable I forget I’m wearing it, and the insights on my energy, sleep, and stress levels have genuinely helped me change my daily routine.” — Aarav, a tech blogger
📱 Compatibility & Design
- Works with Android and iOS
- Waterproof (up to 100m)
- Titanium body with various finishes: Black, Silver, Gold, and Rose
⚖️ Pros & Cons
✅ Pros:
- Discreet, stylish design
- Accurate sleep and heart tracking
- AI-driven insights and smart recommendations
- Long battery life
- Lightweight and comfortable
❌ Cons:
- Requires a monthly subscription
- No display or haptic alerts (not ideal for fitness notifications)
- Slight learning curve for new users
🛒 Should You Buy It?
If you’re serious about your wellness in 2025 and want a minimal, intelligent, and non-distracting way to track your health, the Oura Ring 4 is the best smart ring on the market. While the subscription may feel like a downside, the data and AI-powered insights are totally worth it — especially if you’re focused on sleep, recovery, and optimizing your day.
