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QuickDic vs Aard 2: catalog facts
QuickDic	Aard 2
Free Free and open source under the Apache-2.0 licence.	Free Free and open source under the GPL-3.0.
Android	Android
Works fully offline after downloading dictionaries Many language pairs from Wiktionary data	Offline Wikipedia and dictionary lookups Bookmarks and lookup history
Android only Generating your own dictionaries is sparsely documented	Dictionary files must be downloaded separately Interface is plain
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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