Circular Ring 2 review: Impressive health features let down by a buggy app

October 3, 2025

, By Tom’s Guide

Consumer Service

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While brands like Oura and Samsung dominate the best smart ring space in 2025, smaller startups, including Circular, RingConn, and Amazfit, offer appealing alternatives that don’t require a subscription (unlike Oura) and play nicely with both Android and iOS devices (unlike Samsung).

Having already reviewed the Amazfit Helio Ring and the latest RingConn Gen 2 Air, I was curious to see how Circular’s newest release compares. Having first checked out the Circular Ring 2 at CES 2025 in January, I finally…

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Circular Ring 2 review: Impressive health features let down by a buggy app

October 3, 2025

, Published By Tom’s Guide

Consumer Service

While brands like Oura and Samsung dominate the best smart ring space in 2025, smaller startups, including Circular, RingConn, and Amazfit, offer appealing alternatives that don’t require a subscription (unlike Oura) and play nicely with both Android and iOS devices (unlike Samsung).

Having already reviewed the Amazfit Helio Ring and the latest RingConn Gen 2 Air, I was curious to see how Circular’s newest release compares. Having first checked out the Circular Ring 2 at CES 2025 in January, I finally…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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Previous News

Consumers more likely to pay for ‘responsible’ AI tools, Deloitte survey says

Next News

How Nvidia’s deal with Intel has been decades in the making — Years of rivalry culminated in an unexpected alliance

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