Many software and hardware updates to the latest Oura ring make it more accurate, useful, and easier to wear.

Looks and feels more like jewelry than ever. New Smart Sensing platform makes the ring more accurate and easier to wear. Updated app with interesting new features. Better battery life. Both Android and iOS users can wear it.

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, and in particular, women in their twentiess, who have bought rings at 2.6 times the rate of other demographic groups.

I’m a woman, and I’ve worn an Oura ring consistently for several years now because it’s the only tool that can reliably predict my period. Many fitness trackers now have a temperature sensing feature that purportedly allows you to track that drop in ...