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WikiReader vs Aard 2: catalog facts
WikiReader	Aard 2
Free Free and open source under the GPL.	Free Free and open source under the GPL-3.0.
Android	Android
Article text loads first for fast reading Supports more than 300 Wikipedia languages	Offline Wikipedia and dictionary lookups Bookmarks and lookup history
Android only Focused on reading rather than editing Wikipedia	Dictionary files must be downloaded separately Interface is plain
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	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.