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Equalizer314 vs ViPER4Android: catalog facts
Equalizer314	ViPER4Android
Free Free and open source.	Free The open-source software is available without a license fee.
Android	Android
Parametric EQ using the DynamicsProcessing API Visual feedback while adjusting audio	Processes audio from every app, not just one player Convolver supports impulse responses for headphone correction
Still in beta Android only	Requires root and a Magisk module install Configuration is overwhelming and easy to make sound worse with
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License not stated
Not stated if an account is 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 September 22, 2026

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