Smart rings promise Oura-level health data without an Oura-level monthly bill, and RingConn and Ultrahuman are the two brands most people land on when they go looking for a one-time-purchase option. Both now sell multiple models, though, and the details of what’s actually free forever differ more than the marketing copy suggests.
This guide breaks down the current RingConn and Ultrahuman lineups as of mid-2026 — pricing, battery life, what’s included with no subscription, and a catch with Ultrahuman’s US availability that’s easy to miss if you’re comparing prices without reading the fine print.
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