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Oura Ring 4 - Silver - Size 9 - Size Before You Buy Silver 9

TLDR Review: Oura Ring 4 Silver Size 9

By ShopSavvy Team

Published: December 11th, 2025

Pros

•Extremely comfortable and lightweight for 24/7 wear, including during sleep
•Stylish, sleek, and durable alitanium design that doubles as attractive jewelry
•Comprehensive health tracking with over 50 metrics including sleep, readiness, activity, heart health, stress, metabolic, and women’s health
•Waterproof and suitable for swimming and daily life activities
•Long battery life lasting 5 to 8 days with fast charging (15 minutes can last several days)
•Highly accurate sleep and activity monitoring with valuable recovery insights
•Useriendly app offering clear, actionable health data and explanations
•Multing support lets you easily switch styles via the app
•FSA/HSA eligible, which is a nice bonus for healtonscious buyers
•Responsive customer service with quick issue resolution

Cons

•Heart rate tracking is infrequent and poorly suited for exercise; no continuous monitoring during workouts and manual checks require being still
•Workout logging relies mostly on GPS routes, with minimal heart rate data during physical activity
•Stress detection can be inaccurate, often mistaking normal activities for stress signals
•Subscription required to access most meaningful data, including basic metrics like step count, and the ring no longer syncs with Apple Health or similar apps without it
•Some users experienced skin irritation when wearing the ring continuously for 24 hours
•Nighttime light sensors may bother very sensitive sleepers, though this can be managed
•Price varies significantly between sellers, which may cause hesitation
•Size is notandard and requires purchasing a sizing kit for the best fit, adding to upfront cost and effort

Bottom Line

The Oura Ring 4 in Silver offers a sleek, comfortable, and powerful way to track a wide range of health metrics discreetly without wearing a watch. Its strong points lie in sleep and recovery insights, long battery life, and style. However, if you’re looking for real-time heart rate tracking during exercise or want full access to all data without a subscription, this ring might frustrate you. Be sure to order the sizing kit first to avoid fit issues and keep in mind that ongoing subscription fees are needed for most useful features. If workout heart rate monitoring is a priority, consider combining it with a dedicated fitness tracker or smartwatch.

Lowest at any Popular Retailer

$349.00 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 2 retailers to give you the short version.