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LingoDeer vs Kana: catalog facts
LingoDeer	Kana
Freemium Full access to all languages and features is a paid purchase, with multi-year plans…	Free Free and open source under the GPL-3.0 or later licence.
Android, iOS	Linux
Grammar-based curriculum written by language teachers Native speaker audio instead of text-to-speech	Focused on learning Japanese characters Simple desktop app
Full access requires payment Mobile apps only in the listed downloads	Covers characters only, not a full language course Linux only
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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