Oura Ring 3 vs Oura Ring 4: Which One Is Better for You?

Published: 24/10/2025

The Oura Ring 3 and Oura Ring 4 are powerful wearable fitness trackers designed in a stylish ring form. They both track sleep, heart health, readiness, body temperature, and activity — without a screen. People often compare these two because they look similar but come with different comfort levels, sizes, and technology inside.
In this full oura ring comparison, we will break down features, performance, sizing, pricing, pros and cons, and more.

Table of Content

Oura Ring 3
Oura Ring 4
Quick Comparison Table
Detailed Comparison
Pros and Cons
1. Oura Ring 3
2. Oura Ring 4
Final Verdict
Conclusion
FAQs

Let’s see which one suits you better.

Oura Ring 3

The Oura Ring 3 is a lightweight wearable that tracks your sleep and daytime activity accurately. It gives daily insights for health improvement.
It suits people who want reliable data at a lower cost.

Oura Ring 4

The Oura Ring 4 takes everything from Gen 3 and boosts it with better materials, improved sensors, and more sizing options.
It is ideal for users who want high-precision tracking and a premium feel.

Quick Comparison Table

Key Aspect	Oura Ring 3	Oura Ring 4
Design	Titanium, Horizon & Heritage styles	Upgraded titanium build with scratch-resistant finish
Sizing	Sizes 6–13	Sizes 4–15 with improved fitting accuracy
Features	Sleep, HRV, SpO₂, readiness, period prediction	All Gen 3 features + smarter sensing + more stability
Comfort	Very comfortable for daily use	Even smoother inner design for extra comfort
Battery Life	Up to ~5–7 days	Up to ~6–8 days
Price	More affordable	Higher price for premium upgrades

Detailed Comparison

Let’s compare Oura Ring 3 vs Oura Ring 4 in detail to highlight what truly sets them apart.

Ease of Use

Oura Ring 3: Simple to wear daily, easy setup, lighter feel for many fingers.
Oura Ring 4: Smoother curved interior and more size options make it better for long-term comfort.
If comfort and sizing flexibility matter, Ring 4 wins.

Features

Oura Ring 3: Tracks heart rate, sleep score, readiness score, temperature trends, and breathing.
Oura Ring 4: Adds improved sensors with more data points for accuracy and future-proof features.
Ring 4 has the smarter internal system and better long-term value.

Performance

Oura Ring 3: Performance is good and accurate for most users.
Oura Ring 4: Improved signal quality and more stability during movement.
Ring 4 performs better, especially for active users.

Pricing

Oura Ring 3: More budget-friendly and offers strong value.
Oura Ring 4: Costs more because of better build and accuracy.
Ring 3 suits budget-minded users, Ring 4 suits premium seekers.

Support and Longevity

Oura Ring 3: Still supported, but future features may focus more on newer hardware.
Oura Ring 4: Will receive longer updates and more improvements over time.
Ring 4 gives future confidence.

Pros and Cons

Before choosing your smart ring, look at what each model does great — and where it might not match your needs.

Oura Ring 3

Here are the strong points of Gen 3 and where it feels older.

Pros

Let’s begin by looking at what the Oura Ring 3 does especially well — the features and experience that many users appreciate.
• Excellent sleep and readiness analysis
• Affordable compared to Ring 4
• Comfortable to wear all day
• Reliable everyday tracking
• Still widely recommended

Cons

Now, let’s review the areas where the Oura Ring 3 might leave something to be desired or where newer models improve.

• Limited sizes
• Slightly outdated sensors
• Not as durable as Ring 4
• Data accuracy lower during movement
• May lose future software focus sooner

Oura Ring 4

Now let’s look at what the upgraded model does better.

Pros

Next up, here are the main strengths of the Oura Ring 4 — what makes it stand out as the newer generation upgrade.
• Best-ever Oura accuracy
• Bigger size range for perfect fitting
• Premium titanium that resists scratches
• Smoother inner shape improves comfort
• Longer support lifespan for new updates

Cons

And finally, here are the trade-offs or limitations of the Oura Ring 4 — the parts you should be aware of before choosing it.
• Higher price than Ring 3
• Upgrade from 3 may feel small if needs are basic
• Subscription required for full features
• Heavier focus on wellness enthusiasts
• Colors like stealth/gold may show tiny marks over time

Final Verdict

Both Oura rings are excellent, but the right one depends on your goals:

Choose Oura Ring 3 if you want:
• A lower price
• Strong sleep-tracking performance
• A simple everyday wellness tool

Choose Oura Ring 4 if you want:
• Better fitting + more sizes
• Sensor upgrades and future-proof tracking
• More durability and premium comfort

As a wearable tech expert:
If budget is tight → Ring 3
If you want the latest and most accurate health insights → Ring 4 wins

Conclusion

The oura ring 4 vs oura ring 3 comparison shows both rings share powerful wellness tracking. But Ring 4 takes the lead with comfort, sizing, durability, and smarter sensing. Now that you understand the real differences, choose the one that matches your goals and lifestyle best.

FAQs

What is the difference between Oura Ring 4 and Oura Ring 3?

Here are the main distinctions you should know before making a decision:

Ring 4 has a full titanium body while Ring 3 uses titanium exterior and epoxy interior.
Ring 4 offers a wider sizing range (sizes 4–15 vs sizes 6–13).
Ring 4 includes enhanced sensor architecture for more accurate readings.
Ring 4 claims slightly longer battery life under typical use.

Is the Oura Gen 4 worth the upgrade?

If you’re thinking of upgrading, this will help you weigh the value:

If your Ring 3 works perfectly and you’re satisfied, the upgrade may not feel dramatic.
If you value a better fit, premium material, and enhanced sensors, Ring 4 offers worthwhile improvements.
If budget is tight or your tracking needs are basic, staying with Ring 3 is still a solid choice.

Is the Oura 4 more accurate?

Here’s how accuracy compares between the two models:

Ring 4 features improved sensing paths and material upgrades that boost accuracy.
The core tracking functions (sleep, readiness, temperature) remain the same across both.
For everyday users the difference is noticeable but not vastly different; for data enthusiasts, Ring 4 delivers more precision.

Can I exchange Oura 3 for Oura 4?

Understanding upgrade options is important—here’s what you need to know:

The company does not offer a direct model-upgrade exchange from Ring 3 to Ring 4.
You can return your Ring 3 under the return policy and then purchase Ring 4 separately.
If you buy Ring 4 because you want the latest features, plan accordingly for cost and sizing.

Why is Samsung suing Oura?

Here’s the situation behind the legal action:

Samsung filed a lawsuit claiming certain Oura patents could affect Samsung’s own smart ring plans.
The case was dismissed due to lack of immediate threat, leaving the door open for future disputes.
The legal battle signals the growing importance and competition in the smart-ring market.