Features & Capabilities

An OCR app that reads classical Japanese cursive script (kuzushiji) using AI.

Features:

  • Just take a photo to convert kuzushiji to text
  • Powered by the National Diet Library's AI model (NDL Koten OCR-Lite)
  • All processing runs on-device (no internet connection required)
  • Copy and share recognized text

How to Use:

  1. Capture a page with the camera or select from your photo library
  2. AI automatically detects text regions and recognizes kuzushiji
  3. Tap results to review, copy and use

Supports over 7,000 kanji, hiragana, and katakana characters. Optimized for Edo-period woodblock prints and manuscripts.

Licenses:

  • OCR Model: NDL Koten OCR-Lite (National Diet Library, CC-BY-4.0)
  • Inference Engine: ONNX Runtime (Microsoft, MIT License)

Source code: https://github.com/nakamura196/koten-ocr-ios

User Growth & Download Statistics

App
By:
Satoru Nakamura
Rating:
4.10
(27)
Version:
1.3.5 Last updated: 2026-03-27
Version code:
883832472
Creation date:
2026-03-13
Compatible devices:
Size:
247.36MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-30
Compare stats and ranking:

Ranking

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Satoru Nakamura
Apple Apps Store
https://apps.apple.com/jp/app/kotenocr/id6760045646?l=en-US
Website:
https://koten-ocr-ios.vercel.app

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