iOS App · Mortality Tracker
A research-backed mortality tracker powered by CDC NCHS actuarial tables and your real-world Screen Time data.
Download on the App StoreOf your remaining years, only a fraction is truly yours. Death Clock reveals how your daily habits — media consumption, sleep, and inactivity — shave years off your back end.
Average years of genuinely free time in a lifetime, after sleep, work, and daily obligations.
Of that free time consumed by screens & media at the average American's usage rate.
BLS Time Use Survey 2022Potentially added back with consistent exercise and better sleep habits.
BMJ Medicine 2026Death Clock syncs with Apple Health and Screen Time to update your mortality stats in real-time. Open the app — your data is already there.
Sleep duration, heart rate, and activity data feed directly into your actuarial model. Every workout is counted toward your projected lifespan.
Your real daily screen usage maps to peer-reviewed mortality research automatically, every day. No input required.
Your baseline life expectancy starts from the latest CDC National Vital Statistics — the same mortality data used by insurance actuaries.
As your habits change, your projected lifespan updates. Build better habits and watch the clock tick forward.
No pseudoscience. Every calculation derives from published, peer-reviewed research or official government mortality data.
Life tables and cause-of-death statistics for actuarially accurate baseline life expectancy calculations.
Prospective cohort data linking leisure screen time to cardiovascular mortality risk in adults.
Meta-analysis quantifying the dose-response relationship between sedentary time and all-cause mortality.
UK Biobank analysis showing sleep regularity predicts mortality independently of duration.
Your Apple Health and Screen Time data stays on your iPhone. No accounts. No tracking. No cloud.
All calculations run locally. No health data is ever transmitted to any server.
No sign-up, no email, no login. Open the app and start immediately.
Zero third-party analytics. Zero advertising SDKs. Your habits are not a product.
Remove the app and all data is gone. No residual cloud storage.
All figures are statistical estimates based on population averages. This app is for self-reflection and educational purposes only — not medical advice. Consult a qualified healthcare professional for health decisions.
Find out exactly how much time you have — and what you're doing with it.
Download on the App Store