Should you upgrade from Oura Ring Gen 3 to Oura Ring 4?
Answer worked out Oct. 31, 2026
Checked Oct. 31, 2026
VERSUS
Oura Ring Gen 3 vs Oura Ring 4
Oura Ring Gen 3
THE PREVIOUS MODEL
Oura Ring Gen 3
What you own
TALE OF THE TAPEVS
THE NEWCOMER
Oura Ring 4
What you would buy
Oura Ring Gen 3: 6–13ROUND 1Ring sizesImprovedOura Ring 4: 4–15About this sourceSource linkedYou can read the source. We haven't checked its exact wording.The claimRing sizes6–13 to 4–15Read the sourcesupport.ouraring.com↗
Oura Ring Gen 3: Gen3 SpO2 sensingROUND 2Health sensorsImprovedOura Ring 4: 30% more accurate average overnight SpO2About this sourceSource linkedYou can read the source. We haven't checked its exact wording.The claimHealth sensorsGen3 SpO2 sensing to 30% more accurate average overnight SpO2 (Oura's 60-person sleep-clinic study, August 2024)Read the sourceouraring.com↗
Oura Ring Gen 3: Up to 7 daysROUND 3Battery lifeImprovedOura Ring 4: Typically 5–8 daysAbout this sourceSource linkedYou can read the source. We haven't checked its exact wording.The claimBattery lifeUp to 7 days to Typically 5–8 days (current support); launch claim up to 8 daysRead the sourcesupport.ouraring.com↗
Skip the Oura Ring 4, get the Oura Ring 5
The Oura Ring 5 is already on sale (since June 4, 2026), so compare your Oura Ring Gen 3 with it instead.
