Smoke Tracker

Smoke Tracker is a feature-rich cross-platform mobile application combining behavioral science, analytics, and a modular gamification ecosystem (Sailing, Snake, Tetris mini-games) to help users quit or reduce smoking. Built with React, TypeScript, Zustand, and Capacitor 8, it features local-first storage, AES-encrypted Google Drive backups, Android widgets, and Firebase telemetry.

Active

Problem

Habit-change apps often suffer from user fatigue, lack of motivation, rigid tracking interfaces, and privacy concerns regarding personal health data.

Solution

A cross-platform mobile product unifying real-time analytics, WHO physiological health milestones, 1-tap Android home-screen widgets, 5-language LTR/RTL support, client-side AES-encrypted cloud backup, and an economic gamification engine that rewards habit milestones with playable mini-games.

Responsibilities

Architected a cross-platform React + Capacitor application.
Built a modular gamification engine with 3 mini-games.
Developed Android home-screen widgets for 1-tap logging.
Implemented recovery timers and interactive analytics.
Delivered 5-language localization with LTR/RTL support.
Built encrypted cloud backup and Firebase integrations.

Achievements

Unified behavioral science and gamification into a cohesive habit-change experience.
Reduced logging friction with native Android home-screen widgets.
Ensured user privacy through client-side AES-encrypted cloud backups.
Shipped a production-ready multilingual experience with seamless LTR/RTL support.

Technologies

Capacitor
React
TypeScript
Zustand
Android Java
Android Widgets
Recharts
Tailwind CSS
Framer Motion
AES Encryption
Firebase
i18next (ICU/RTL)

Back to projects

Mobile App