Oura Ring 4 — Review, Price, Where to Buy

Name: Oura Ring 4
Brand: Oura

Our Verdict

The best sleep tracker, period. If you want to optimize your sleep and recovery without wearing a bulky watch to bed, the Oura Ring 4 is unmatched. The subscription model is annoying but the insights are worth it.

Detailed Scores

Features 72

Health Features 94

Design 95

Battery 88

Value for Money 65

Pros & Cons

Pros

Most accurate sleep tracking available
Comfortable to wear 24/7
8-day battery life
Beautiful titanium design
No screen — minimal distraction

Cons

Requires EUR 5.99/month subscription
No display for notifications
Cannot track workouts as well as a watch
Must be sized correctly

Specifications

Material Titanium

Sensors Multi-path optical HR, SpO2, skin temperature, accelerometer

Battery Up to 8 days

Water Resistance 100m

Connectivity Bluetooth 5.4

Weight 3-6 g (depending on size)

specs.sizes US 6-13

Where to Buy

Prices are approximate and may vary. Last checked:

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Frequently Asked Questions

Is the subscription required?

Without the subscription, you get basic metrics (readiness, sleep, and activity scores). With it (EUR 5.99/month), you get detailed insights, trends, and personalized recommendations.

How do I find my ring size?

Oura sends a free sizing kit before purchase. Wear the test rings for 24 hours — your finger size can change throughout the day.

Can it replace a smartwatch?

No. It doesn't display notifications, can't make calls, or run apps. It's a focused health and sleep tracker. Many people wear both.