gist
Know your biological age
Your chronological age is just a number. Gist analyzes your Apple Health data to reveal how fast your body is actually aging. 100% on-device, no accounts, no analytics, no data leaves your phone.
What Gist Does
A minimal app that turns your health data into actionable insights about aging.
Biological Age
Calculate your true age based on 30+ health metrics from Apple Health. See exactly how many years younger or older your body is.
Pace of Aging
Are you aging faster or slower than normal? Track your pace from -1x (reverse aging) to 3x (accelerated).
Category Breakdown
See scores for Sleep, Activity, Heart, and Body. Understand exactly which areas are helping or hurting your age.
History & Trends
Track your Gist Age over 7, 14, 30, or 90 days. See your best and worst days, and spot patterns.
Real-time Metrics
View all your health metrics in one place with live updates. See what's improving and what needs work.
Privacy First
All data stays on your device. No accounts, no uploads, no tracking. Your health data is yours alone.
See It In Action
A clean, minimal interface that puts your health data front and center.
