Smart Ring Battle: Oura 4 vs Ultrahuman Air Reshapes Health Tech
In-depth comparison of 2025's leading smart rings reveals how Oura Ring 4 and Ultrahuman Ring Air are transforming personal health monitoring with advanced tracking capabilities and innovative features.

Oura Ring 4 and Ultrahuman Ring Air showcasing next-generation health tracking technology
Leading Smart Ring Technologies Set New Standards for Health Monitoring
As Australia continues to embrace digital health innovations amidst growing concerns about digital wellness and technology regulation, two major players in the smart ring market are competing for dominance in 2025: Oura Ring 4 and Ultrahuman Ring Air.
The emergence of these sophisticated health tracking devices comes at a crucial time when mental health and wellness monitoring has become increasingly vital for public health outcomes.
Price and Value Proposition
Both rings retail at $349, but Oura's additional subscription model ($5.99/month) pushes the total four-year cost to nearly $619. This pricing structure reflects broader trends in technology manufacturing and supply chain dynamics affecting the Australian market.
Health Tracking Capabilities
- Continuous heart rate monitoring
- Skin temperature tracking
- Blood oxygen measurement
- Sleep stage analysis
- Menstrual cycle tracking
Battery Performance and Durability
The Oura Ring 4 leads with a practical six-day battery life, compared to Ultrahuman's four-day performance. Both devices feature quick charging capabilities, essential for continuous health monitoring.
User Experience and Data Integration
Oura's platform offers a more refined user experience with intuitive data presentation and workout auto-detection. Ultrahuman provides unique features like the Stimulant Permissible Window, though its interface requires more user adaptation.
Key Differentiators
- Oura: Superior data visualization and integration
- Ultrahuman: Advanced biometric features, no subscription required
- Both: Premium build quality and reliable health tracking
Conclusion
While Oura Ring 4 edges ahead in overall functionality and user experience, both devices represent significant advances in personal health technology. The choice ultimately depends on individual preferences for data complexity and cost considerations.
Jack Thompson
Reporter based in Sydney, Jack covers climate issues, migration policies, and Australia's Indo-Pacific strategy.