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

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