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Renshuu vs Bunpro: catalog facts
Renshuu	Bunpro
Freemium Free to start learning, with optional paid features.	Freemium Commercial service; see the Bunpro site for current plans.
Android, iOS, Web	Android, iOS, Web
Vocabulary, kanji and grammar in one place Dictionaries filterable by JLPT level	Focused on Japanese grammar rather than only vocabulary Many example sentences with audio
Japanese only Requires an account to track progress	Covers Japanese only Proprietary hosted service that needs an account
Downloadable app, Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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