What if you slept one more hour a night?
Move a slider. See what the bio-age engine projects it would do to your biological age over a typical effect window. Same engine the iPhone app uses, served from the same backend. Inputs you don't change stay at population median.
About you
Your baseline
Pick a lever to change
Move the lever
Effect window: 30 days.
Run this on your real data
The Thier app pulls your live wearable signals (Apple Health, Oura, Garmin, Fitbit, Strava, Withings) and runs this same simulator over the bio-age your dashboard already shows. Then it turns whichever lever moves your number most into a 30-day protocol.
Get the iPhone appProjections are model estimates from your inputs, not guarantees. The Thier bio-age engine is a wearable-based physiological-age estimate, not an epigenetic clock or a medical diagnosis. See the methodology for the per-coefficient citations.