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Function Health vs Oura Ring

A side-by-side comparison of two AI tools on pricing, fit, and capability.

Function Health
Longevity Membership
Oura Ring
Smart Ring
9/10Rating9.1/10
health-coachesTierwearables
Longevity MembershipCategorySmart Ring
From ~$365/yrStarting priceRing from ~$399 + ~$70/yr
Annual membershipPricing modelDevice + subscription
Cloud + lab drawDeploymentDevice + cloud app
YesSelf-serveYes
Anyone who wants wide twice-yearly lab coverage with AI summaries and clinician sign-offBest forPeople who want a comfortable ring plus a conversational AI health coach

Our verdict

On balance, Oura Ring edges ahead at 9.1/10 — but if your budget, tier, or existing stack favors the other, it can be the better fit. Read both full reviews.