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EarTrumpet vs Volumouse: catalog facts
EarTrumpet	Volumouse
Free Free and open source.	Free Freeware from NirSoft, free to use and distribute unmodified.
Windows	Windows
Per-app volume sliders from the taskbar Quicker than opening the Windows volume mixer	Flexible rules decide when the wheel controls volume Per-application volume and on-screen indicator
Windows only Focused on volume control rather than audio effects or routing	Does not work with elevated apps unless it also runs as administrator under UAC Requires a wheel mouse and sound card
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Freeware
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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