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Aard 2 vs WikiReader: catalog facts
Aard 2	WikiReader
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL.
Android	Android
Offline Wikipedia and dictionary lookups Bookmarks and lookup history	Article text loads first for fast reading Supports more than 300 Wikipedia languages
Dictionary files must be downloaded separately Interface is plain	Android only Focused on reading rather than editing Wikipedia
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
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.