Kanji Recognizer

Kanji Recognizer

500,000 - 1,000,000 downloads

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Handwritten Japanese kanji recognition and writing quiz. Integrates with WWWJDIC.

New: Training mode for quiz. Use stroke guidelines and stroke order hints to practice writing kanji correctly. Does not advance to next character until you get it right.

Kanji writing quiz. Test yourself based on school year or JLPT level. Check your answers against the proper stroke order using animated diagrams.

Premium features: history/favorites, export/import, search by reading/meaning, Simeji/OpenWnn/ATOK integration, local stroke order database. You can upgrade form within the application (Settings->Upgrade to premium), no need to download a new application.

Premium upgrade price: around $4.99 (varies slightly by location/exchange rate. Press the 'Upgrade' button to display the Play Store dialog with the exact local price).

Just draw a character, tap 'Recognize' and select a candidate to display reading, meaning, radical and more. Copy or share characters to clipboard or other apps. History/favorites and search by reading or meaning also available (premium only). Call from within Simeji, OpenWnn/Flick/ATOK/OpenWnn Plus to input characters using handwriting (premium only, Simeji/OpenWnn/Atok Japanese IME install required).

Test your kanji writing skills by school year or JLPT level: write kanji based on reading and/or meaning hints. Check your score, and compare your writing with the proper stroke order using animated stroke order diagrams. Free version offers JLPT N5 and elementary school grade 1 and 2 kanji. Premium versions lets you select all grades/JLPT levels.

Follow proper, or at least basic (left to right, top to bottom, horizontal before vertical, etc.), stroke order for best results.


* if recognition is slow on your device, try using the compressed model. Open Settings (press the Menu key, or the overflow menu on ICS to display), press 'Recognition model' and select 'JP. comb. compressed'. This should improve startup time and recognition speed.
* you can also increase the search timeout to make sure recognition starts after you finish drawing. Tap 'Auto-search after' in Settings and increase the timeout (default is 400 ms)
* if it is still slow, uncheck the 'Search on stroke' option in Settings. Candidates won't be displayed automatically, but on a separate screen.
* draw larger characters for better recognition

* Tablet support
* Animated stroke order diagrams (online for free version, offline for premium)
* Kanji writing quiz. Bell/buzzer sounds marks answer
* Training mode
* Automatically searches on each stroke for immediate feedback
* Configurable drawing pen size and color
* Shake to delete stroke/all strokes
* Favorites and history (premium)
* Favorites Excel (CSV) and Anki export (premium)
* Simeji, OpenWnn/Flick, ATOK, OpenWnn Plus integration (mushroom) (premium)
* Search by reading and meaning (premium)
* Compressed model for older/slower devices
* Works offline (Internet connections only required for initial download).
* Stroke annotation
* Undo (removes last stroke)
* Integrated kanji database with more than 13,000 entries
* Kanji decomposition into components
* Integration with WWWJDIC for Android (can be used as the handwriting recognition backend)
* Copy/append recognized kanji to clipboard or share to other programs.

Not a handwriting input method (IME).

Ad-supported (ads are removed if you upgrade to premium)

Version 2.0 requires Android 2.1 and later. Earlier Android versions can use version 1.7.2.

Email for bug reports and feature requests:

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Google+ page

Release announcements and detailed explanation of new features:


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Recently changed in this version

* Anki deck synchronization (premium)
* Use Japanese font on non-Japanese locales
* Scale stroke numbers
* Use file selection dialog for import files (4.4+)
* Support Anki 2.0 export (premium)
* Added 'Create flashcard' action
* Option to adjust stroke animation speed
* Automatic settings backup/restore
* UI improvements
* Bug fixes
* Nexus 7 support
* Save quiz configuration
* Added 100 kanji quiz option
* Updated Dutch translation

Comments and ratings for Kanji Recognizer
  • (66 stars)

    by Kimberly Dipp on 20/06/2014

    As a test run searched a couple of different kanji and couldn't recognize any of them.. it counts the stroke order which is good if you KNOW the stroke order but if you dont...? I couldn't find the kanji I was looking for.

  • (66 stars)

    by Francisco Gallegos on 12/06/2014

    The app is really good but I have a minor problem. I bought the premium features while on other device. I then switched to a better one and installed the app, but I no longer have access to the premium features although I'm logged in with the same Google account than before. So if I try to re-purchase it it says that I already own the item. Please fix!

  • (66 stars)

    by Pham Phuonganh on 28/05/2014

    Very smart. Good job.

  • (66 stars)

    by Alex March on 23/05/2014

    Has helped me so much in my studies. Would be great to see some new features!

  • (66 stars)

    by Ánderson Godoy on 16/05/2014

    It's awesome for one kanji recognition. I just hope the developer takes it to the next step and integrates an open-source dictionary for kanji compound words. All in all, great app. P.S.: Stop complaining about recognition if you do not know the stroke order of the kanji... you do not need a new app, you need a little more study :)

  • (66 stars)

    by Doug McCluer on 15/05/2014

    Almost never recognizes even simple kanji.

  • (66 stars)

    by Will Riepe on 09/05/2014

    Felt the database was terrible wasn't recognizing the correct stroke order for many kanji. I wish to be refunded

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