Cho-Kinen app icon
Cho-Kinen (超禁煙)Quit smoking with Haita · Available on iOS / Android

Quitting smoking:
less struggle, more staying power.

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

Cho-Kinen screenshot
FEATURES

What it does

Automatic tracking

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 by your side

Haita, the lung character, stays by your side as you quit. You can choose your app icon from Haita in 9 colors.

Tap when a craving hits

A button that helps you ride out the urge in the moment.

Body recovery timeline

See general milestones of how your body recovers, laid out on a timeline.

Reward goals

Set a “reward” you can buy with the money you would have spent on cigarettes, and see your progress take shape.

Fully offline

No account or login needed. All your data stays on your phone and is never sent anywhere.

WIDGET

See it without opening the app.

Add a widget to your home screen or lock screen and your smoke-free days are always in view. Even if you slip and have one, the count doesn’t reset to zero. Tap the widget to open the app.

iPhone Home Screen

Small, medium and large

  • Small: your smoke-free days and Haita
  • Medium and large: your days, plus money saved and cigarettes not smoked
iPhone Lock Screen

Right under the clock

  • Inline: “禁煙 N日” (N days smoke-free)
  • Circular: days only
  • Rectangular: days and money saved
Android

Home screen widget

  • Days, money saved and cigarettes not smoked
  • Resizable both horizontally and vertically
How to add a widget

iPhone (Home Screen)

  1. Touch and hold an empty area of the Home Screen
  2. Tap “Edit” at the top left, then “Add Widget”
  3. Choose “Cho-Kinen (超禁煙)” from the list
  4. Pick a size and tap “Add Widget”

iPhone (Lock Screen)

  1. Touch and hold the Lock Screen, then tap “Customize”
  2. Choose the Lock Screen, then tap the box below the clock
  3. Add “Cho-Kinen (超禁煙)” from the list

Android

  1. Touch and hold an empty area of the home screen
  2. Tap “Widgets”
  3. Touch and hold “Cho-Kinen (超禁煙)” and drop it where you like
SPEC

At a glance

Title
Cho-Kinen (超禁煙)
Category
Health
Status
Available on iOS / Android
Price
Free (all core features are free)
Platforms
iPhone / Android
Language
Japanese
Released
Aug 2026
Developer
Libra
FAQ

Frequently asked questions

What if I smoke again?

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.”

Does it work on iPhone?

Yes. It’s available for free on both the App Store and Google Play.

Is the app available in English?

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.

Quitting smoking: less struggle, more staying power.

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