The Circular Smart Ring Slim's few good points are marred by design that's too easy to scratch and a companion app that needs to work on how it presents your data. When you compare it to apps from ...

I’m currently testing the Circular Ring 2, a subscription-optional smart ring that boasts eight days of battery, ECG readings, AFib detection, and a revolutionary new digital sizing process. While the ...

The Oura Ring Gen 3 and Circular Ring Slim are both smart rings designed to help you track health and fitness more discreetly. Oura has been around a bit longer than Circular and has established ...

Aluminum isn't durable enough Charger is inconvenient Unreliable features, data, and app Subscription or extra fees coming in the future No third-party app integration “Why you can trust Digital ...

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Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. If it seems like almost everyone you know wears a ...

In the world of wearables, it seems that smart rings have reached peak popularity in the last couple of years. Though the Oura Ring is still the gold standard, that’s not stopping competitors like ...

The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing, better battery life, an actual dock, and a more premium design. The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing, better ...

The Apple Watch Series 10 is my current wearable of choice. I use it to track all the health data Apple can squeeze into a smartphone and all the workouts I do as part of my marathon training. I've ...

Even smart rings aren't immune to patent wars. Wareable notes Oura has sued fledgling rival Circular for allegedly violating patents covering both ring design and biometric data collection. Circular's ...