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Aard 2 vs ReSearch: catalog facts
Aard 2	ReSearch
Free Free and open source under the GPL-3.0.	Free Free and open source under the MIT licence.
Android	Android
Offline Wikipedia and dictionary lookups Bookmarks and lookup history	Searches several dictionaries simultaneously DictZip random access for quick article loading
Dictionary files must be downloaded separately Interface is plain	Supports DSL-format dictionaries only Young project with a small user base
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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