Katakana; Which one?

Learn Japanese Katakana Fast

Free · Designed for iPad. Not verified for macOS.

Swipe right to master katakana — it's that simple. Match hiragana to the correct katakana, track your mistakes, and turn weak spots into strengths. Description: Which katakana matches this hiragana? That's the one question standing between you and katakana mastery. Katakana Which? is a fresh, swipe-based learning app designed to help you memorize katakana characters quickly and intuitively — no textbooks, no boring drills. How it works: Swipe right if you think it's correct. Swipe left if it's wrong. That's it. A refined, distraction-free design turns study sessions into something that actually feels like a game. Smart mistake tracking: Every character you miss gets added to your personal review list. Go back and drill your weak spots until they stick — perfect for squeezing in a quick study session on the go. Why Katakana Which? Swipe-based interaction — zero learning curve Gamified UX that keeps you coming back Instant feedback on every answer Weak character list for targeted review Sleek, minimal design built for focus Whether you're a beginner tackling Japanese for the first time or brushing up on forgotten characters, Katakana Which? gets you to fluency — one swipe at a time. Start swiping. Start remembering.

Ratings & Reviews

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Added in-question review to explain the answer after each card.

Version 1.2026.1

The developer, Keisuke Nakashima, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

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
  • Keisuke Nakashima
Size
  • 14.8 MB
Category
  • Education
Compatibility
Requires iOS 26.0 or later.
  • iPhone
    Requires iOS 26.0 or later.
  • iPad
    Requires iPadOS 26.0 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.0 or later.
Languages
  • English
Age Rating
4+
Copyright
  • © Metamorph
  • Developer Website
  • Privacy Policy

    • More by Keisuke Nakashima