MasterJi is your free coding practice coach—built for students, working developers, and community learners who want to stay consistent with interview prep.

What you can do:
• Join live multiplayer quizzes with real-time questions and compete on the leaderboard
• Jump into coding challenges, submit proof with images, and climb challenge rankings
• Solve curated problems in the in-app editor with sample tests, language templates, and detailed results
• Explore daily problem drops, company-tagged sets, and public coding sheets tailored to core data structures and algorithms
• Earn XP, track your heatmap, maintain streaks, and collect challenge winner badges
• Join Town Halls and chat in real time with your community (including GIFs)

Live Quiz Features:
→ Real-time multiple choice, ratings, and text-based questions
→ Instant feedback on your answers with score updates
→ Live leaderboard showing your rank and average response time
→ Timed questions to test your speed and accuracy
→ Compete with other developers in your community

Sign in with Apple, Google, or GitHub to sync progress across devices. MasterJi never shows ads or sells your data, and all uploads stay inside the community. Push notifications keep you informed about quiz starts, wins, upcoming deadlines, and code review reminders.

Perfect for:
→ Students preparing for technical interviews
→ Developers staying sharp between jobs
→ Anyone building a consistent coding habit
→ Communities running live coding competitions

Start your coding journey today—completely free.