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Screenshots

  • Kaku: Japanese Study Notebook screenshot 1
  • Kaku: Japanese Study Notebook screenshot 2
  • Kaku: Japanese Study Notebook screenshot 3
  • Kaku: Japanese Study Notebook screenshot 4

About Kaku: Japanese Study Notebook

Kaku is a Japanese notebook designed for beginner-to-intermediate learners. Instead of jumping back and forth between a notes app, a dictionary, and a translator, you write in Japanese and all tools appear right where you're working: - Instant dictionary - highlight any word and matching entries appear above the keyboard, with readings, word types, and real example sentences. Powered by an offline dictionary, lookups are instant and work anywhere. - Write with training wheels - stuck on a word? Highlight the English word and insert the Japanese one in one tap, including the conjugated form you need. - Translate your notes - check your sentence structure by translating a whole note into your native language. 20 languages supported. - Read Aloud - Kaku reads your note out loud, highlighting each word as it's spoken, so you can shadow along. Choose from the best Japanese voices on your device. - Scan text with your camera - turn textbook pages, signs, and handwritten notes into editable text using built-in OCR. - Made for focus - a clean, paper-inspired design, folders to organize your study notes, and adjustable text size for comfortable reading. - Private by design - your notes live on your device. Kaku feels at home on iPhone, iPad, and Mac. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What’s new

Version 7.60 · Updated October 19, 2026

• Kaku is now available in more than 40 languages. • Study with your note alongside translation and dictionary tools on iPhone Duo.

App privacy

The developer, Dittman Shum, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History

Used for: Analytics

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Advertising Data, Product Interaction, Other Usage Data
  • Diagnostics: Crash Data

Used for: Third-Party Advertising, Analytics, App Functionality

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