"Circular markets its Circular Ring 2 as a health companion with the typical suite of health tracking metrics: ECG and atrial fibrillation detection, blood pressure and glucose tracking, and a unique-to-Circular smart alarm that detects the lightest sleep stage to wake users up in. It's also subscription-free, which rivals its biggest biggest competitor, Oura, which gatekeeps the bulk of user data behind a $70 a year subscription."
"I spent 14 days having the ring get accustomed to my sleep, activity, and overall lifestyle. During this period, Circular doesn't offer up any analytics; saying that it's still getting to know me. This is far too long, especially compared to other smart rings that dive into analytics on day one. If metrics aren't 100% accurate off the bat, other smart rings adjust scores and data according to user's baseline as it's worn further."
The Circular Ring 2 advertises ECG and atrial fibrillation detection, blood pressure and glucose tracking, and a smart alarm that detects the lightest sleep stage to wake users. The ring is subscription-free while major competitors often require annual fees for full data access. The software requires a 14-day acclimation period before presenting analytics, providing no feedback during that time. Other smart rings deliver analytics from day one and adapt scores as baseline data accumulates. Circular's delayed feedback and laggy software lead to inconsistent metrics and limited usefulness for users who expect immediate, reliable tracking.
Read at ZDNET
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