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.
