Key Takeaways
- All Oura Ring 4 models track over 50 health metrics, making them highly comprehensive.
- Battery life of up to 8 days is consistent across all options, reducing frequent charging.
- Sizing is critical; each model requires proper fitting with the provided kit to ensure accuracy.
- Subscription fees after the first month are standard, adding ongoing costs for full features.
- Design varies from discreet titanium to more stylish options, catering to different style preferences.
| smart ring for fitness tracking oura ring 4 | Color | Size | Battery Life | Compatibility |
|---|---|---|---|---|
| Oura Ring 4 | Gold | 9 | Up to 8 days | Android & iOS |
| Oura Ring 4 | Silver | 10 | Up to 8 days | Android & iOS |
| Oura Ring 4 | Gold | 8 | Up to 8 days | Android & iOS |
| Oura Ring 4 | Silver | 8 | Up to 8 days | iOS & Android |
| Oura Ring 4 | Silver | 9 | Up to 8 days | iOS and Android |
More Details on Our Top Picks
Oura Ring 4 – Gold – Size 9 – Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days Battery, Compatible with Android & iOS
This model stands out for its robust health metric tracking, including sleep, activity, stress, and women’s health, all housed in a stylish gold finish. Its long-lasting battery of up to 8 days means less frequent charging, and compatibility with both Android and iOS broadens its appeal. However, it lacks notifications and requires a sizing kit to ensure a perfect fit, which might be inconvenient for some users. The subscription fee after the first month adds ongoing costs, but for detailed insights, this model offers unmatched depth.Pros:- Tracks over 50 health metrics for a detailed picture of wellness
- Long battery life of up to 8 days
- Compatible with both Android and iOS devices
- Includes first month of membership
Cons:- Requires sizing kit for proper fit
- Subscription fee applies after the first month
- No notifications or vibrations for alerts
Best for: users seeking the most comprehensive health data in a stylish, durable design
Not ideal for: those wanting built-in notifications or a more affordable, no-subscription option
- Color:Gold
- Size:9
- Battery Life:Up to 8 days
- Compatibility:Android & iOS
- Health Metrics:Sleep, activity, stress, women’s health
- Membership:First month included, $5.99/month afterward
Our verdict“A top choice for users prioritizing detailed health insights over notifications or style simplicity.”
Oura Ring 4 – Silver – Size 10 – Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days Battery – Compatible with Android & iOS
This silver model offers similar core features—tracking over 50 health metrics with smart sensing technology—paired with a sleek, versatile design. Its long battery life and compatibility make it a great all-rounder, especially for users who prefer a neutral aesthetic. Like other models, it requires sizing and subscription fees, but it’s ideal for those who want detailed data in a subtle form factor without the need for flashy design.Pros:- Extensive health metric tracking
- Up to 8 days of battery life
- Compatible with Android & iOS
- First month of membership included free
Cons:- Needs sizing kit for fit accuracy
- Subscription costs after the first month
- No notification features
Best for: individuals seeking comprehensive health data with a neutral look
Not ideal for: users wanting built-in notifications or a more colorful, expressive style
- Color:Silver
- Size:10
- Battery Life:Up to 8 days
- Compatibility:Android & iOS
- Health Metrics:Sleep, activity, stress, women’s health
- Membership:First month included, $5.99/month afterward
Our verdict“Ideal for users who value detailed health monitoring with a discreet and neutral aesthetic.”
Oura Ring 4 – Gold – Size 8 – Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days Battery – Compatible with Android & iOS
This gold titanium ring combines style with function, offering the same extensive tracking as larger models but in a more subtle size. It’s perfect for those who want a comfortable, lightweight device that doesn’t compromise on health insights. The smaller size demands precise fitting, and the subscription fee remains a consideration. It lacks GPS and notification features, but its sleek profile makes it highly suitable for daily wear.Pros:- Tracks over 50 health metrics
- Up to 8 days of battery life
- Sleek titanium design
- Discreet and comfortable for daily wear
Cons:- Requires sizing kit for fit
- Subscription fee after the first month
- No built-in GPS or notifications
Best for: users seeking a stylish, compact tracker that fits discreetly into daily life
Not ideal for: those needing built-in GPS or notification alerts
- Material:Titanium
- Size:8
- Color:Gold
- Battery Life:Up to 8 days
- Compatibility:Android & iOS
- Health Metrics:Sleep, activity, stress, women’s health
Our verdict“A refined choice for style-conscious users who want detailed health data in a smaller form factor.”
Oura Ring 4 – Smart Ring – Silver – Size 8
This sleek silver titanium model emphasizes durability and comfort, suitable for 24/7 wear. It tracks a comprehensive range of health metrics and offers seamless app integration, making it perfect for active lifestyles. The slightly smaller size and water resistance add to its practicality. However, like others, it depends on a sizing kit and subscription, and it lacks notifications or a display.Pros:- Accurately monitors over 50 health metrics
- Water-resistant for everyday activities
- Long battery life of up to 8 days
- Seamless app compatibility
Cons:- Requires sizing kit for precise fit
- Subscription fee after first month
- No built-in notifications or display
Best for: active users who want a durable, water-resistant tracker with high accuracy
Not ideal for: those who prefer a device with notifications or a built-in display
- Material:Titanium
- Size:8
- Color:Silver
- Battery Life:Up to 8 days
- Compatibility:iOS & Android
- Water Resistance:Yes
Our verdict“Great for active, health-focused users who prioritize durability and discreet tracking.”
Oura Ring 4 – Smart Ring – Silver – Size 9
This silver titanium model combines a sleek look with comprehensive health tracking. Its larger size offers a comfortable fit for many users, and the long battery life makes it practical for everyday use. It’s ideal for those who want a low-profile device that doesn’t compromise on data, yet it requires proper sizing and ongoing subscription costs. It lacks notification features, focusing solely on health metrics.Pros:- Tracks over 50 health metrics
- Long battery life of up to 8 days
- Stylish, discreet design
- Suitable for daily, all-day wear
Cons:- Requires accurate sizing
- Subscription fee after first month
- No notifications or display
Best for: individuals seeking a stylish, everyday health tracker with detailed insights
Not ideal for: those wanting notifications or a smaller, more discreet device
- Material:Titanium
- Size:9
- Color:Silver
- Battery Life:Up to 8 days
- Compatibility:iOS and Android
- Health Metrics:Sleep, activity, stress, women’s health
Our verdict“A stylish and comprehensive health tracker ideal for everyday use with a preference for larger, comfortable fit.”

How We Picked
I evaluated each Oura Ring 4 model based on core factors like health metric tracking depth, battery life, design, compatibility, and user comfort. I prioritized models with consistent long battery life and broad health monitoring capabilities, comparing their features and tradeoffs such as design aesthetics, size options, and subscription costs. My selections aim to cover different user needs—whether they value style, simplicity, or comprehensive data—ensuring that each model serves a distinct purpose.| smart ring for fitness tracking oura ring 4 | Color | Compatibility |
|---|---|---|
| Oura Ring 4 | Gold | Android & iOS |
| Oura Ring 4 | Silver | Android & iOS |
| Oura Ring 4 | Gold | Android & iOS |
| Oura Ring 4 | Silver | iOS & Android |
| Oura Ring 4 | Silver | iOS and Android |
Factors to Consider When Choosing Smart Ring For Fitness Tracking Oura Ring 4
Choosing the right smart ring for fitness tracking involves considering design, health metric coverage, battery life, and compatibility. While all Oura Ring 4 models offer extensive health data, your choice depends on style preferences, fit, and whether you value features like notifications or GPS. Proper sizing is essential for accurate tracking, and subscription costs are an ongoing factor. Here’s what to keep in mind as you compare your options.Design and Comfort
Look for a model that fits comfortably for all-day wear. Titanium options tend to be lightweight and durable, with sizes ranging from 8 to 10 to suit different finger sizes. Style varies from discreet, sleek designs to more eye-catching finishes—select what aligns with your daily wardrobe and comfort preferences.
Health Metrics and Data Depth
All models track over 50 health metrics, including sleep, activity, stress, and women’s health. However, some users may prioritize certain data points or want additional features like activity tracking or cycle monitoring. The core advantage of the Oura Ring 4 is its comprehensive sensing technology, which provides detailed insights for serious health monitoring.
Battery Life and Usage
Battery life remains consistent at up to 8 days across all models, which minimizes charging disruptions. This is especially beneficial for continuous tracking without daily fussing with power. Keep in mind, however, that full functionality often requires a subscription after the first free month.
Compatibility and Additional Features
All Oura Ring 4 models are compatible with both Android and iOS devices, making integration straightforward. Yet, none include built-in notifications or GPS—if these features matter, consider alternative devices. For health-focused users who prioritize detailed metrics over notifications, these rings are a compelling choice.


