The smart ring explosion is here — a sign that fitness trackers are moving from wrists to fingers in 2025

Samsung

• The smart ring market is exploding, with options available at Costco and Walmart.
• Rings aren't perfect health monitoring tools, but they can help detect patterns and some illnesses.
• Healthcare companies and the US military are increasingly interested in harnessing the tech.

The rich and famous have been wearing them for years, and competing for the very best sleep scores. Longevity doctors swear by them too.