A simple, easy-to-stick-with quit-smoking tracker that keeps you company with Haita (肺太), a friendly lung character. Your smoke-free time, the cigarettes you didn’t smoke and the money you saved add up automatically. No sign-up, and it works offline.
Free (all core features are free) · App language: Japanese
From the date and time you quit, it automatically calculates your smoke-free time, the cigarettes you didn’t smoke and the money you saved.
Haita, the lung character, stays by your side as you quit. You can choose your app icon from Haita in 9 colors.
A button that helps you ride out the urge in the moment.
See general milestones of how your body recovers, laid out on a timeline.
Set a “reward” you can buy with the money you would have spent on cigarettes, and see your progress take shape.
No account or login needed. All your data stays on your phone and is never sent anywhere.




No judgment. Even if you slip and have one, your cumulative smoke-free days don’t reset to zero. The app keeps the tone of “That’s not failure — start again today.”
Yes. It’s available for free on both the App Store and Google Play.
The app’s interface is currently in Japanese only.
Please note: The health-related information shown in this app is a general guide, not medical advice. Results and how you feel will vary from person to person. If you have a medical condition or any concerns, please consult a healthcare professional.
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