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DuckDeck vs Volume²: catalog facts
DuckDeck	Volume²
Freemium Free tier available; Pro costs €5.99 once, including VAT.	Free Freeware with no ads; the Microsoft Store version offers a way to donate.
Windows	Windows
Global volume hotkeys work in fullscreen games Controls music app volume separately from game audio	Mouse wheel and hotkey control of volume anywhere on screen Per-application and per-device volume control
Available for Windows 10/11 64-bit An email address is required to receive the free download link	Windows only Freeware licence rather than open source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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