This review features the Oura Ring 4, a dedicated biometric sensor designed to monitor and track health and wellbeing. The ring is produced by the privately owned company Oura Health Limited, based in Finland. It was founded in 2013 by Petteri Lahtela, Kari Kivelä, and Markku Koskela. Today, the Oura Ring series continues to be a leading product in the wearable health market.
Design & Build
Elegant, minimalistic design
Constructed from titanium for durability and comfort
Available in a variety of finishes and sizes
Water-resistant up to 100m
Tracking Capabilities
Heart rate
Blood oxygen levels (SpO₂)
Skin temperature
Sleep patterns
Physical activity
Stress levels
Women’s health analytics
Sleep & Recovery
Monitors sleep stages in detail
Provides insights into overnight recovery
Battery
A full charge lasts up to 8 days under normal use
Supports fast charging
Charges via a magnetic USB ‑C dock
App
As the ring has no display, all tracking data is accessed through the dedicated Oura app, which covers three main areas:
Today – current health and activity overview
Vitals – key metrics such as heart rate and temperature
My Health – long-term trends and personalised insights
Cost & Subscription
The Oura Ring 4 retails between £300 and £500, depending on size and finish
Access to advanced features requires a monthly subscription, costing approximately £5.99 per month
Positives
Discreet and comfortable for all-day wear
Leading device for sleep monitoring
Comprehensive health analytics
Long battery life
Intuitive and effective app support
Negatives
Relatively expensive when including subscription costs
Some reports of minor inaccuracies in certain metrics
Portable charging case not included as standard
Verdict
The Oura Ring 4 is a powerful and reliable device for monitoring health and sleep. It is discreet, comfortable, and offers a premium wearable experience. The accompanying app is intuitive and well-suited for tracking daily health metrics. At the time of writing, the silver version is available on Amazon UK for £349.
Customer service support comments are balanced.
Code Inclusive Rating
9.85 out of 10
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