Free demos
Open them, play with the inputs, see real output. The same engine that runs on real users.
Bio age calculator
Eight inputs. Thirty seconds. Get a biological-age estimate grounded in peer-reviewed coefficients.
Free · no signupWhat-if simulator
Move a slider. See what one extra hour of sleep, or a better VO₂, would do to your bio age.
Free · no signupLongevity Coach
Ask anything about longevity research. Citations inline. Personalised replies require sign-in.
Free previewInside the iPhone app
The full Thier toolbox — open any surface to see it; your live data appears when you sign in. Same engine, continuous tracking.
Your home
Bio age, today's metrics, and the daily protocol in one view.
In the app · sign inLog your data
Blood pressure, labs, body fat — what wearables can't see.
In the app · sign inBio-age trends
Your trajectory across 30D / 90D / 1Y, smoothed.
In the app · sign inStreak & trophies
Daily-protocol record + freeze tokens.
In the app · sign inSupplements
Personalised stack + daily check-off + adherence ring.
In the app · sign inHydration
Personalised intake target + log.
In the app · sign inBody protocols
Cold / sauna / breathwork tracker.
In the app · sign inProtocols
Run an N=1 trial on your own data.
In the app · sign inScreenings
Preventive-care calendar — what's due when.
In the app · sign inCognitive tests
Reaction · memory · processing speed.
In the app · sign inFamily longevity
Inherited-risk map across both lineages.
In the app · sign inGenome
Polygenic risk scores from your 23andMe export.
In the app · sign inMeditation
Personalised guided sessions on a schedule.
In the app · sign inCare Circle
Invite an accountability buddy.
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