AgeKit: Biological Age

Your calendar age is a fact. How your body is actually doing is a different question — and your iPhone and Apple Watch have been quietly collecting the answer for years. AgeKit turns that data into an estimated biological age: one number for how your fitness, heart, sleep, body and habits compare to published reference ranges for people your age and sex. Then it shows you which signals are pushing that number up, which are pulling it down, and what to change first. YOUR AGEKIT AGE • An estimated biological age, with the gap to your real age in years • See at a glance whether you're tracking younger or older than your years • A confidence score, so you always know how much data the estimate rests on • A fresh estimate every day, compared with last week and last month, and a trend you can watch over months EVERY SIGNAL, EXPLAINED • Cardio fitness (VO2 max), resting heart rate and heart…