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Aard 2 vs Akkhara: catalog facts
Aard 2	Akkhara
Free Free and open source under the GPL-3.0.	Free Free to use, with optional donations through a tip jar.
Android	Windows, Linux, Android, iOS
Offline Wikipedia and dictionary lookups Bookmarks and lookup history	Fuzzy search tolerates misspellings Searches inside definitions as well as headwords
Dictionary files must be downloaded separately Interface is plain	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	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 2, 2026	Official website Full listing and sources Checked October 1, 2026

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