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Ciyue vs Notification Dictionary: catalog facts
Ciyue	Notification Dictionary
Free Free and open source under the MIT licence; AI translation uses your own provider.	Free Free and open source under the MIT license.
Windows, Linux, Android	Android
Opens MDX and MDD dictionary files Searches multiple dictionaries at once	Works in any app that supports text selection Definitions appear without leaving the current app
You supply the dictionary files yourself AI translation depends on a third-party service	Android only Depends on each app supporting text selection
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Not stated if it 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.