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Kakugo

Kakugo is a free, open-source education app for Android. Learn Japanese with Kakugo. It has 210 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.

github.com/blastrock/kakugo (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

Get it on F-Droid (opens in a new tab)Google Play (opens in a new tab)View on GitHub (opens in a new tab)

About Kakugo

Kakugo is an application that helps learning Japanese. It includes multiple tests to memorize hiragana, katakana, and kanji and adapts to the user's learning pace. One of the biggest difficulty with learning Japanese is memorizing kanji and vocabulary. While learning them by just reading and writing them everyday may work, the more kanji you know, the harder it gets and the more time it takes to revise them all. Proper tools can help you memorize these huge amounts of knowledge to more quickly become a fluent Japanese speaker. Kakugo is one of these tools. It helps learning and revising kanji and vocabulary in an efficient manner.

Privacy and F-Droid

F-Droid builds Kakugo from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

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FAQ

Kakugo FAQ

Still curious? Email info@appsgit.com.

Is Kakugo free and open source?

Yes. Kakugo's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install Kakugo?

You can install Kakugo from F-Droid (package org.kaqui) and from Google Play; the links are on this page.

Is Kakugo still maintained?

The repository's most recent commit was on Oct 24, 2026. Its F-Droid listing was last updated on Sep 21, 2026. appsgit only lists apps whose repository had a commit in the last six months.