100% Free & Private

Quit Smoking.
Breathe Free.

The free smoke-free streak tracker. No account, no ads. Watch your lungs heal and heart strengthen.

Start My Streak — Free No signup. No download. Just open and start.
100% Private No Account Needed Works Offline

Your lungs are already healing. Every smoke-free minute counts.

Start in 3 Seconds

No account. No app store. No friction.

Open the Link

Tap the button. ClearLungs opens instantly in your browser.

Tap "Start"

One tap to begin. Your streak starts counting immediately.

Feel Progress

Track milestones, see your tree grow, and celebrate every day.

Everything You Need to Quit For Good

Built for people who want to change. Every feature exists because it actually helps.

Live Timer

Every smoke-free second counted. Your lungs are healing right now.

Growing Tree

Like your lungs regrowing cilia, watch your progress grow into a golden tree.

12 Milestones

Celebrate nicotine clearance, lung clearing, circulation improvement, and more.

Recovery Phases

Withdrawal, Detoxing, Clearing, Healing, Restoring, Renewed, Smoke-Free.

Smoke-Free Stats

Track your longest streak, total smoke-free days, and quit attempts.

Share Card

Share your smoke-free progress for accountability and motivation.

Streak Freeze

Life happens. 2 streak freezes protect your progress so one slip doesn't erase everything.

Badge Collection

Earn badges for smoke-free milestones and consistency. Celebrate every achievement.

Money Saved

See exactly how much money you save every day you don't buy cigarettes. It adds up fast.

Science-Backed Recovery Phases

Your body goes through real changes. ClearLungs shows you exactly where you are.

Day 0-3

Withdrawal

Nicotine leaving your body. Heart rate already dropping within 20 minutes of last cigarette.
Day 3-7

Detoxing

Nicotine is out of your system. Chemical addiction is broken. Habit triggers remain.
Day 7-14

Clearing

Lungs starting to clear. Breathing gets easier. Coughing may increase temporarily.
Day 14-30

Healing

Circulation improving. Walking and exercise feel easier. Lung function increasing.
Day 30-60

Restoring

Lung cilia regrowing. Body's natural defenses restoring. Infection risk dropping.
Day 60-90

Renewed

Lung capacity improved up to 30%. Heart disease risk already dropping.
Day 90+

Smoke-Free

Lungs significantly healed. At 1 year, heart disease risk is halved.

Your Privacy is Non-Negotiable

Your journey is personal. Your data should be yours alone.

No Account

No email, no password, no signup. Just open and start.

On-Device Only

All data stays in your browser. Nothing sent to any server.

Minimal Analytics

Cookieless, anonymous page view counts only. No personal data collected.

Works Offline

Install as an app. Works without internet once loaded.

Frequently Asked Questions

Yes. No subscription, no premium tier, no ads. Unlike Smoke Free or QuitNow, everything is free.
Within 72 hours, breathing improves. Within 1-9 months, cilia regrow and lung function increases up to 30%. Within 1 year, heart disease risk is halved.
Completely. No account, no data sent anywhere. Everything stays on your device.
Your choice. One slip doesn't erase the healing. You also have streak freezes for minor slips. If you want a clean count, reset — your previous streak is saved.
Yes. ClearLungs tracks your smoke-free streak regardless of what you were smoking.
ClearLungs is completely free with no subscription — unlike Smoke Free and QuitNow which charge for premium features. It includes streak tracking, recovery phases, milestones, and money saved.
ClearLungs is a web app — no app store needed. Install it on your home screen for an app-like experience with offline support.

Your Heart Rate Drops in 20 Minutes

Within 20 minutes of your last cigarette, healing begins. Start now.

Start My Streak — Free No signup. No download. Just open and start.