Kotobi: Learn Japanese

AI Japanese flashcards

$4.99 · Designed for iPad. Not verified for macOS.

Learn Japanese from content you care about. Import PDFs or audio, turn real sentences and explanations into flashcards, and study with AI-powered plans and review. Kotobi helps you learn Japanese from content you actually want to study. Import PDFs or audio, extract real Japanese sentences, and turn them into flashcards for daily practice. Build study plans, review with spaced repetition, and track progress across new, learning, and mastered cards. Features: • Import Japanese content from PDF and audio sources • Create sentence-based flashcards from real material • Study with daily plans and review sessions • Track mastery and due cards across your library • Open the original source while reviewing • Customize app language and learning settings

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The developer, xiaofeng Lei, 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
    xiaofeng Lei
    Size
    63 MB
    Category
    Education
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Stanley Lei
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.