Biological Age · Science-Backed
Your real age,
measured by science.
BioAge turns your health data into a single biological age score — and gives you AI-powered guidance to lower it.
BioAge turns your health data into a single biological age score — and gives you AI-powered guidance to lower it.
Sleep, HRV, blood markers, cardiovascular health, stress, reaction time, grip strength, and gait — each scored and weighted into a single biological age estimate.
Import sleep, HRV, and resting heart rate directly from Apple Health. Bring in up to 1 year of historical data in a single tap.
Claude AI generates plain-language coaching insights personalized to your health goals — streamed word-by-word in real time.
Measure reaction time, grip strength, and gait cadence using your iPhone sensors. These physical biomarkers contribute to a more complete biological age picture.
Track your biological age over time with line charts, per-category breakdowns, and streak tracking.
Scan lab documents with your camera and auto-fill blood marker values via OCR — no manual typing needed. Low-confidence reads are flagged for review.
View your biological age and delta from your wrist or home screen. Supports all 4 Watch complication families and an iOS Home Screen Widget.
All data stays on-device in the iOS Keychain. Biometric lock (Face ID / Touch ID) on every launch. Zero third-party SDKs — native Apple frameworks only.
Eight evidence-based pillars are scored independently and combined into a single biological age estimate. Missing pillars are gracefully excluded — the score always reflects the data you actually have.
15 supported markers — glucose, HbA1c, CRP, cholesterol, and more — compared to evidence-based optimal ranges.
Duration and quality scored using a 7–9h optimal window. Deep sleep and REM percentages contribute bonus points.
Your RMSSD compared to age- and sex-matched population norms (Nunan et al.). Higher HRV = biologically younger.
Levels 1–4 are protective. Chronic high stress (5–10) adds years to your score. Self-reported and factored directly in.
Resting heart rate compared to age norms. Blood pressure optionally provides additional refinement.
Measured via the iPhone screen. Compared against Welford age-adjusted norms — a sensitive marker of neural aging.
Peak force, stability, and duration — each weighted. Grip strength is one of the strongest predictors of all-cause mortality.
Step cadence and regularity measured via the accelerometer. Optimal cadence is 100–130 steps per minute.
Weights are redistributed proportionally when pillars are absent. Confidence is reported as the fraction of pillars present — so you always know how complete your score is.
The BioAge Watch app syncs automatically whenever you log a new entry. Check your bio age and delta at a glance — from your wrist or your home screen.