gist age

your real age, calculated on your phone, no accounts, no subscriptions, no servers, 100% private

DATA: HEALTHKIT

ENCRYPTION: ON-DEVICE

NETWORK: NONE

01 Sleep — 7.8 h

02 HRV — 58 ms

03 VO2 max — 46

What Gist Does

A minimal app that turns your health data into actionable insights about aging.

Calculate your true age based on 30+ health metrics from Apple Health. See exactly how many years younger or older your body is.

Are you aging faster or slower than normal? Track your pace from -1x (reverse aging) to 3x (accelerated).

See scores for Sleep, Activity, Heart, and Body. Understand exactly which areas are helping or hurting your age.

Track your Gist Age over time with weekly data points, trend charts, and radar breakdown. Spot patterns in your health.

Personalized tips highlighting your weakest metrics and how to improve. See what's working and what needs attention.

All data stays on your device. No accounts, no uploads, no tracking. Your health data is yours alone.

Demo