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Project Case Study

Reset21 - Habit & Accountability App

A habit and accountability web app for running fixed-length daily challenges. It helps users stay consistent through structured tracking and progress visibility.

Personal Project

Reset21 - Habit & Accountability App

Product Engineer

A habit and accountability web app for running fixed-length daily challenges. It helps users stay consistent through structured tracking and progress visibility.

ReactTypeScriptViteTailwind CSS

Key Contributions

  • Built configurable challenge length flow (7 to 365 days), with 21 days as default.
  • Implemented daily status tracking with success, fail, and unmarked states.
  • Added completion percentage, current streak, best streak, and visual progress report.
  • Developed a dedicated Settings page (/settings) for challenge length and start date updates.
  • Implemented local-first persistence with optional sync key backup/restore flow without signup.

Business Outcomes

  • Created a frictionless experience that allows users to start and continue challenges instantly.
  • Improved daily habit visibility and accountability through clear progress feedback.
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