Day 14 — your cilia start growing back.
Heart, lungs, brain and vessels animate through a 90-day repair arc. Tap any system to see what's changing today.
A live recovery score, money you didn't burn, and a body that heals on a 90-day arc.
iPhone · iOS 17+ · No account needed · Private by design
Backed by CDC + NHS recovery timelines
Most smokers underestimate this by half. Slide to your real number.
Estimates use US average pack price and the BMJ Doll/Peto 11-min-per-cigarette figure.
Most people quit blind. Cinder shows the change as it happens — so you keep going.
Heart, lungs, brain and vessels animate through a 90-day repair arc. Tap any system to see what's changing today.
Heart rate, HRV and sleep pulled from Apple Health, charted against your pre-quit baseline. Proof on day three, not month three.
Twelve CDC-sourced milestones, mapped from 20 minutes to 15 years smoke-free. Watch yourself cross each one.
It's never too late, but earlier is better. The repair starts within minutes.
Sources: CDC, NHS, and a 2013 NEJM cohort study of 200,000 adults.
Quit time is whenever you say so — the body starts repairing within 20 minutes.
Cinder for iPhone Get the appBuilt by a small team at Foxtide. Questions or stories?
hello@getcinder.app — we read every message.