Function Health vs InsideTracker
A side-by-side comparison of two AI tools on pricing, fit, and capability.
Function Health
Longevity Membership
InsideTracker
Biomarker Analysis
| 9/10 | Rating | 8.8/10 |
| health-coaches | Tier | biomarkers |
| Longevity Membership | Category | Biomarker Analysis |
| From ~$365/yr | Starting price | From ~$149/yr |
| Annual membership | Pricing model | Annual / per-test |
| Cloud + lab draw | Deployment | Cloud + lab draw |
| Yes | Self-serve | Yes |
| Anyone who wants wide twice-yearly lab coverage with AI summaries and clinician sign-off | Best for | People who want biomarkers translated into specific, personalized actions |
Our verdict
On balance, Function Health edges ahead at 9/10 — but if your budget, tier, or existing stack favors the other, it can be the better fit. Read both full reviews.