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TABI vs Renshuu: catalog facts
TABI	Renshuu
Free Free and open source under the GPL-3.0-or-later license.	Freemium Free to start learning, with optional paid features.
Android	Android, iOS, Web
Covers kana, phrases, signs, menus and train travel Uses varied question types and practical scenarios	Vocabulary, kanji and grammar in one place Dictionaries filterable by JLPT level
Teaches Japanese only Audio questions need an installed Japanese text-to-speech voice	Japanese only Requires an account to track progress
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Account 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 September 24, 2026

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