The Oura Ring and Whoop wristband are both screenless health-tracking devices that offer wellness insights while keeping distractions at bay. I tested the two trackers to find out which is a better fit for you. Price: A Question of Longevity Both the Oura Ring 4 and the Whoop 5.0 are expensive trackers. The Oura starts at $349 and requires a $69.99 annual membership fee. It’s available in a variety of sizes and colors, mostly for the same price, though extr... [7462 chars]