Quit Smoking Marathon is a social app designed to help people quit smoking by encouraging and supporting each other.
Quitting smoking can be difficult when you try to do it alone.
With Quit Smoking Marathon, you can share your progress, support other users, and receive encouragement from people working toward the same goal.
The app helps you make your goals and progress visible and stay motivated through interaction with the community.
Main features:
・Track your smoke-free progress
・Share your experiences with the community
・Encourage other users
・Receive encouragement and reactions from others
・Stay motivated together with people who are also trying to quit smoking
Quit Smoking Marathon has reached more than 200,000 downloads and accumulated more than 21 million activity logs.
The app is independently developed and operated by Yutaka Matsui in Okinawa, Japan.
Research
Real-world data from Quit Smoking Marathon is also used for academic research on smoking cessation behavior and peer support.
Research presentations and lectures:
December 2025 — Research presentation, IEEJ Kyushu Branch, Okinawa Section Conference
February 2026 — Educational lecture, 35th Annual Meeting of the Japan Medical-Dental Association for Tobacco Control
August 2026 — Research presentation, 2026 Annual Conference on Electronics, Information and Systems, IEEJ
Academic papers based on real-world data from the app are currently in preparation.
Terms of Use:
http://nosmokingplus.com/eula.html
Privacy Policy:
http://nosmokingplus.com/privacy.html
This app mainly aims at encouraging each other to succeed in quit smoking.