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Jamu vs TABI: catalog facts
Jamu	TABI
Free Free and open source under AGPL-3.0-only.	Free Free and open source under the GPL-3.0-or-later license.
Android	Android
Includes kana and number study material Provides quizzes and NHK Easy News	Covers kana, phrases, signs, menus and train travel Uses varied question types and practical scenarios
Available for Android	Teaches Japanese only Audio questions need an installed Japanese text-to-speech voice
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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