Longer Living Guide

Oura

Oura Ring 4

Promising researchWhat does this mean? ›
£244at johnlewis.com

Check availability

Price checked

Buy now at johnlewis.com
  • £244 at John Lewis (was £349)
  • Up to 8 days battery

We may earn a commission if you buy through our links. How we choose ›

£244 at John Lewis (was £349)

form
Titanium smart ring
sizes
4 to 15
battery
Up to 8 days

Where we checked it: johnlewis.com ›

Why we picked it

Ring 4 uses the same app and most of the same software features as Ring 5, and John Lewis had it reduced from £349 to £244 when we checked. It has an all-titanium body, up to 8 days of battery and a 2-year guarantee from John Lewis.

Best for

Getting the Oura experience for less now that Ring 5 has launched

Not for

People with very small fingers who want the slimmest ring, or anyone who will not pay a membership

The details that matter.

  • • £244 at John Lewis (was £349)
  • • Up to 8 days battery
  • • Same Oura app and scores
  • • Membership still needed for full data

Specifications

form
Titanium smart ring
sizes
4 to 15
battery
Up to 8 days
sensors
Optical heart rate, skin temperature, accelerometer, SpO2
guarantee
2 years (John Lewis)
subscription
£5.99/month or £69.99/year after 1 free month
How strong is the research? What our grades mean ›
Strong research
Independent certification or lab data for the specific claim.
Promising research
The material is well supported, but there is no product-level testing.
Early research
Little independent research.
Mixed research
Research findings disagree.
£
Under £20
££
£20 to £79
£££
£80+
How we choose ›

Part of your longer life. Related guides and swaps.

Guide

Oura vs WHOOP vs Ultrahuman (UK 2026): Which Tracker, and What Does It Really Cost?

Read the guide ›

Guide

Best Fitness and Sleep Trackers for Longevity UK (2026): Rings, Bands and Watches Compared

Read the guide ›

Sources

  1. johnlewis.com
  2. ouraring.com