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The Oura Ring 4 is the better smart ring for most people thanks to more accurate sleep tracking, iPhone and Android support, and a more mature app — but it requires a $5.99/month subscription. The Samsung Galaxy Ring costs more upfront ($399) yet has no subscription, making it the better long-term value for Samsung phone owners.

Smart rings went mainstream in 2024 and 2025, and in 2026 the two rings everyone compares are the Oura Ring 4 and the Samsung Galaxy Ring. Both are titanium, both track sleep and recovery from your finger, and both cost real money — so choosing wrong is expensive.

We’ve tracked both rings’ development since launch, and this guide breaks down exactly how the Oura Ring 4 vs Samsung Galaxy Ring battle plays out across price, subscription costs, accuracy, battery life, and ecosystem fit.

Oura Ring 4 vs Samsung Galaxy Ring: Key Specs

FeatureOura Ring 4Samsung Galaxy Ring
Release dateOctober 2024July 2024
PriceFrom $349$399
Subscription$5.99/month (or $69.99/year)None
Battery lifeUp to 8 daysUp to 7 days
ChargingCharging dockCharging case (with battery)
Sizes4–155–13
MaterialTitaniumTitanium
Phone supportiPhone and AndroidAndroid only (best with Samsung)
Water resistance100m100m (10 ATM)
Weight3.3–5.2 g2.3–3.0 g

Price and Total Cost of Ownership

This is where the comparison gets interesting.

The Oura Ring 4 starts at $349 (check today’s price on Amazon), but the full experience requires an Oura membership at $5.99/month. Over three years, that’s roughly $565 total. Without the membership you only get basic scores — we cover exactly what’s free in our guide to using the Oura Ring without a subscription.

The Samsung Galaxy Ring costs $399 flat (check today’s price on Amazon). No subscription, ever. Over three years it’s still $399 total.

If you keep your ring for more than about ten months, the Galaxy Ring is cheaper. That math matters, and it’s the single strongest argument in Samsung’s favor.

Health and Sleep Tracking

What the Oura Ring 4 tracks

  • Sleep stages (light, deep, REM) with research-grade validation
  • Readiness Score combining HRV, resting heart rate, and body temperature
  • Daytime Stress and Resilience metrics
  • Cycle Insights and pregnancy insights
  • Blood oxygen (SpO2) and breathing disturbances
  • Automatic activity detection for 40+ activities

Oura’s Smart Sensing platform on the Ring 4 improved signal quality by repositioning sensors around the finger, which cut gaps in overnight heart-rate data dramatically compared to the Gen 3. If sleep data drives your buying decision, Oura is still the benchmark. Our best sleep tracking rings roundup has consistently placed Oura at the top.

What the Samsung Galaxy Ring tracks

  • Sleep score with stages, via Samsung Health
  • Energy Score (Samsung’s readiness equivalent)
  • Heart rate and high/low heart-rate alerts
  • Skin temperature and cycle tracking
  • Automatic walking and running detection

The Galaxy Ring leans on Galaxy AI to generate wellness tips, and its data merges seamlessly with a Galaxy Watch if you wear both — Samsung intelligently prioritizes whichever device gives better data for each metric.

Winner: Oura Ring 4. The depth, historical trends, and scientific validation are ahead of Samsung’s, though the gap narrows every year.

Battery Life and Charging

The Oura Ring 4 delivers up to 8 days; real-world use with all sensors enabled lands closer to 5–6 days. It charges on a small dock in about 80 minutes.

The Galaxy Ring lasts up to 7 days (smaller sizes closer to 5), but its killer feature is the charging case — it holds extra charges, so you can top up while traveling without hunting for an outlet.

Winner: Tie. Oura lasts slightly longer per charge; Samsung’s case is more convenient.

Ecosystem and Compatibility

This section decides the purchase for most people:

  • iPhone owner? The Galaxy Ring is off the table. It does not support iOS at all. Buy the Oura Ring 4.
  • Samsung Galaxy phone owner? The Galaxy Ring integrates with Samsung Health, Galaxy AI, and Galaxy Watch in ways Oura can’t match — and you skip the subscription.
  • Other Android phones? Both work, but the Galaxy Ring loses a few Samsung-exclusive features, which tilts things back toward Oura.

Design and Comfort

Both rings are titanium and comfortable enough to sleep in, which is the whole point. The Galaxy Ring is lighter (as little as 2.3 g) and has a slightly concave outer edge that resists scratches. The Oura Ring 4 dropped the flat “Heritage” plateau of older generations for a fully round profile. If you’re between sizes, both companies ship free sizing kits — and proper fit matters enormously for data quality, as we explain in our Oura Ring sizing guide.

Which Smart Ring Should You Buy in 2026?

Buy the Oura Ring 4 if:

  • You use an iPhone
  • Sleep tracking accuracy is your top priority
  • You want the deepest health insights and trend history
  • You don’t mind a $5.99/month subscription

Buy the Samsung Galaxy Ring if:

  • You use a Samsung Galaxy phone
  • You refuse to pay a subscription
  • You want the lightest ring with the most convenient charging
  • You already own (or plan to own) a Galaxy Watch

The Verdict

The Oura Ring 4 vs Samsung Galaxy Ring decision comes down to phone and philosophy. Oura sells the best health-tracking experience money can rent; Samsung sells a very good one you actually own. For most readers — especially iPhone users — the Oura Ring 4 remains our pick. For Samsung loyalists, the Galaxy Ring is the obvious, subscription-free answer.

Still weighing alternatives? See our full list of Oura Ring alternatives for rings and bands at every price.

Frequently Asked Questions

Is the Oura Ring 4 better than the Samsung Galaxy Ring?
The Oura Ring 4 has more detailed sleep and readiness insights, works with both iPhone and Android, and benefits from a decade of sleep-science refinement. The Galaxy Ring is better for Samsung phone owners because it needs no subscription and integrates directly with Samsung Health.
Does the Samsung Galaxy Ring require a subscription?
No. The Samsung Galaxy Ring has no subscription fee — all features are included in the $399 purchase price through the Samsung Health app. This is its biggest advantage over the Oura Ring, which charges $5.99 per month for full access.
Does the Galaxy Ring work with iPhone?
No. The Samsung Galaxy Ring only works with Android phones, and several features work best with a Samsung Galaxy phone. iPhone owners who want a smart ring should choose the Oura Ring 4, which fully supports iOS.
How long does the battery last on each ring?
The Oura Ring 4 lasts up to 8 days per charge depending on ring size. The Samsung Galaxy Ring lasts up to 7 days and ships with a charging case that stores extra charges, similar to wireless earbuds.
Which smart ring is more accurate for sleep tracking?
Independent testing consistently ranks Oura's sleep staging among the most accurate in consumer wearables, thanks to its research-validated algorithms. The Galaxy Ring is respectable but younger, and its scores tend to be more generous and less granular than Oura's.