The best smart rings of 2025: I tested and found an obvious winner

At this point in the smart ring race, everyone is trying to beat Oura. But the Oura Ring 4 proves that the smart ring pioneer's position isn't wavering anytime soon. While most smart rings simply provide you with collected health data, the Oura Ring 4 tells you the story and the context behind that data for greater information on your health. Why we like it What separates the Oura Ring 4 from its competition is its commitment to helpful and actionable health insights that can change or encourage healthy behaviors. As someone who has used the Oura Ring 3 and Oura Ring 4 for over a year, I can attest to the smart ring's health and sleep data illustrations and recommendations that have changed my habits for the better. It doesn't just tell me my sleep or readiness score - it tells me why I got a poor sleep score by showing a graph of when my heart rate dropped that night, and how that drop in heart rate led to a low or high score. Then, it explains how factors like alcohol, exercise, or ... Read full article.