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: • Jump into live coding challenges, submit proof with images, and climb the leaderboard • 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 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 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 Start your coding journey today—completely free.

Ratings & Reviews

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This update focuses on performance and reliability improvements. Challenge filtering now happens on the server side for faster and more consistent results. Debouncing has been added to all searches to make them smoother and reduce unnecessary network calls. Various bug fixes and optimizations throughout the app.

Version 1.1.4

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

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Provider
    • Hitesh Choudhary
  • Size
    • 34.8 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+
    • Learn More
    • Frequent
      Contests

      Contains
      Gambling and Contests
      User-Generated Content
  • Copyright
    • © 2025 MasterJi
  • Privacy Policy

    • More by Hitesh Choudhary