Oura's readings feel more like a reflection of how I'm doing rather than just a stream of health data. But it requires a subscription for the best experience.

The big deal isn’t the sensors but how they can keep track of your vitals. One of the biggest updates to the Oura Ring 4 is the new Smart Sensing platform. Now boasting 18 signal pathways—more than double the eight pathways the Gen 3 used—the Ring 4 promises greater accuracy, even if the ring rotates up to 30% on your finger.

This year, more women than men wear the Oura ring—yes, that chunky finger nugget that is, or was, the health tracking tool for every Huberman-listening, MMA-fighting, raw-meat-eating tech bro. Fifty-nine percent of all Oura ring wearers are now women,

It’s been three years since the third-generation Oura ring first put smart rings on the map. In that time, I’ve tested several different wearable rings, all hoping to outshine

The Oura Ring 4 is great, but if you've already got an Oura Ring Gen 3, you're probably safe to sit this upgrade out