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Wordbook vs Akkhara: catalog facts
Wordbook	Akkhara
Free Free and open source under the GPL-3.0-or-later licence.	Free Free to use, with optional donations through a tip jar.
Linux	Windows, Linux, Android, iOS
Works fully offline Pronunciations through eSpeak	Fuzzy search tolerates misspellings Searches inside definitions as well as headwords
English only Linux only	Licensed CC-BY-NC-ND, so not open source Little detail published about which languages and dictionaries are included
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License: CC-BY-NC-ND-3.0
No account needed	Not stated if an account is needed
Works offline	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.