What is a Smart Ring and Which Brand is the Best?

Explore smart ring technology with health tracking, notifications, and top brands like Oura Ring, Samsung Galaxy Ring, and RingConn for your lifestyle.

What Is a Smart Ring? An Introduction to Next-Gen Wearables

Smart rings are compact, stylish wearable devices designed to track your health and keep you connected without the bulk of a smartwatch. These rings fit comfortably on your finger and use sensors to monitor heart rate, sleep patterns, blood oxygen levels, and physical activity. They can also provide smartphone notifications, contactless payments, and smart home controls, all while maintaining a sleek and minimalist look.

Smart rings are becoming a popular alternative for people who want powerful technology in a subtle form. Thanks to durable materials like titanium and ceramic, they are made for 24/7 wear and offer water resistance for everyday activities.

For more detailed reviews on smart rings, you can check TechRadar’s smart ring guide.

Key Features to Consider in a Smart Ring

When shopping for a smart ring, keep these important features in mind:

Health Tracking

Most smart rings focus on health and wellness, tracking vital signs such as:

• Heart rate variability (HRV)
• Sleep quality and stages (REM, deep, light)
• Blood oxygen saturation (SpO2)
• Body temperature fluctuations
• Activity and step counts

Accurate health data helps you understand your body better and improve recovery.

Battery Life and Charging

Battery life typically ranges from 5 to 10 days. Look for easy charging methods like wireless or magnetic docks to keep your ring powered with minimal hassle.

Design and Comfort

Since you’ll wear the ring all day and night, comfort is key. Rings made of lightweight titanium or ceramic are ideal. Many brands offer customizable sizes and water resistance for durability.

Connectivity and Compatibility

Most smart rings sync via Bluetooth to Android or iOS apps. Check compatibility with your smartphone and ecosystem (e.g., Samsung Health) to get the best user experience.

Comparing the Top Smart Rings of 2025

Here’s a look at the leading smart ring brands, their standout features, and who they’re best for.

Oura Ring 4: Best Overall for Sleep and Health Tracking

• Price: ~$349
• Battery Life: Up to 8 days
• Features: Advanced sleep tracking, heart rate, body temperature sensors, recovery readiness scores, durable titanium build, subscription-based app with detailed insights
• Best for: Users seeking in-depth health and sleep analytics with a stylish design

The Oura Ring 4 is a market leader, offering one of the most accurate sleep and health tracking experiences. The app provides actionable insights but requires a monthly subscription for full features.

Samsung Galaxy Ring: Best for Samsung Ecosystem Users

• Price: ~$399
• Battery Life: Up to 7 days
• Features: AI-powered health insights, seamless integration with Samsung devices, notifications, heart rate, and sleep tracking
• Best for: Samsung smartphone users wanting tight device integration

Samsung’s Galaxy Ring offers great health tracking with AI features and works flawlessly with Samsung phones, though it comes at a premium price.

RingConn Gen 2 Air: Best Budget Option

• Price: Around $200
• Battery Life: Up to 10 days
• Features: Sleep apnea detection, SpO2 and heart rate monitoring, no subscription, lightweight
• Best for: Budget-conscious buyers wanting reliable health tracking without extra fees

The RingConn Gen 2 Air packs essential health features and solid battery life at a friendly price point, making it ideal for everyday wellness tracking.

Ultrahuman Ring Air: Best for Wellness and Recovery

• Price: ~$349
• Battery Life: Up to 6 days
• Features: Caffeine metabolism window, atrial fibrillation detection, sleep and recovery tracking, no subscription fees
• Best for: Wellness enthusiasts focused on optimizing daily performance and recovery

The Ultrahuman Ring Air offers unique recovery tools like caffeine tracking, helping users optimize their energy and sleep cycles.

Circular Ring 2: Best for Advanced Health Metrics

• Price: ~$380
• Battery Life: Up to 8 days
• Features: FDA-approved ECG sensor, AI-powered health assistant, heart rate and sleep tracking, slim titanium design
• Best for: Users seeking medical-grade heart health monitoring in a sleek form

The Circular Ring 2 stands out with FDA-approved atrial fibrillation detection and AI-driven health guidance, perfect for those wanting precise health data.

Which Smart Ring Is Right for You?

Choosing the perfect smart ring depends on your personal needs and budget:

• For comprehensive health and sleep tracking, Oura Ring 4 is the top choice.
• Samsung fans will appreciate the Samsung Galaxy Ring for its seamless device integration.
• Budget shoppers should consider RingConn Gen 2 Air for solid features without subscription costs.
• Wellness-focused users can benefit from Ultrahuman Ring Air’s recovery and caffeine tracking.
• Those needing advanced cardiac monitoring will find the Circular Ring 2 ideal.

Smart rings represent the next step in wearable tech, blending fashion with function to keep you connected and healthy discreetly.