Otum

AI Era Learn Tech Without Code

Only for iPhone

Free · In‑App Purchases

iPhone

In the AI era, the edge isn't coding—it's understanding systems. Plain words and visuals make frontend, backend & databases finally click. In the AI era, the real advantage isn't writing code—it's understanding how systems work. Otum uses plain, everyday language and clear illustrations to help you understand how frontend, backend, databases, and system architecture actually work—no coding required. You'll finally follow what engineers are talking about, and hand your ideas to AI or your team with clarity. WHY OTUM • Plain language first: an everyday analogy comes before the jargon, so it clicks without memorizing terms • Visual by design: every concept comes with an illustration or flow diagram you grasp at a glance • In-depth Q&A: the questions people get stuck on—and the ones asked most in interviews—explained clearly • Six core topics: Frontend, Backend, Databases, Programming Languages, System Architecture, and real-world Practice WHO IT'S FOR • Creators who want to actually ship their ideas in the AI era • Beginners getting into tech or switching careers • Product, project, and design people who work with engineers • Anyone preparing for technical interviews or building the big picture fast FREE & FULL ACCESS • The technical explanation of every article is free to read • Plain-language sections, diagrams, and in-depth Q&A are premium content • Unlock once, keep forever—no subscription, no monthly fees. Content added later is included at no extra cost Open Otum and start seeing how the tech world really works.

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Performance improvements and minor refinements.

Version 1.0.2

The developer, He LiNien, 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 Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based 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

    Seller
    He LiNien
    Size
    3.8 MB
    Category
    Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    Languages
    English and Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Otum
  • Privacy Policy

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