MasterJi: Learn & Code
Code challenges & progress
Free · Designed for iPad
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.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
What's New in Version 1.4.0
Town Halls
- Added real-time chat inside Town Halls (powered by Ably)
- Updated Town Halls access messaging to clarify eligibility and unlocks
- Improved role-based fetching for Town Halls to ensure the right users can access data
Chat & Messaging
- Added GIF support (Giphy) for richer conversations
- Improved message fetching by merging new results with existing messages to avoid missing items
- Enhanced pagination with smarter loading behavior based on available space
- Added date separators for easier reading across long conversations
- Improved message deletion notices to clarify who deleted a message
- Added user profile interactions (bottom sheet) with the option to block users
Theme & Real-Time Reliability
- Improved real-time session management and connection handling
- Theme preferences now persist (load and save user-selected theme)
Performance
- General performance improvements and minor bug fixes
- Cleared cached tokens and real-time client state on logout to prevent auth issues
The developer, Hitesh Choudhary, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Hitesh Choudhary
- Size
- 39.4 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
13+
- 13+
- Frequent
Contests
Contains
Gambling and Contests
User-Generated Content
- Copyright
- © 2025 MasterJi