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Jamu vs Kakugo: catalog facts
Jamu	Kakugo
Free Free and open source under AGPL-3.0-only.	Free Free and open source under GPL-3.0.
Android	Android
Includes kana and number study material Provides quizzes and NHK Easy News	Covers hiragana, katakana and kanji Adapts review to the learner's pace
Available for Android	Focused on memorisation, not grammar or speaking Android only
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.