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ViPER4Android vs Wavelet: catalog facts
ViPER4Android	Wavelet
Free The open-source software is available without a license fee.	Freemium A free edition or tier is available. Additional features or hosted services require…
Android	Android
Processes audio from every app, not just one player Convolver supports impulse responses for headphone correction	Provides headphone correction profiles Includes manual equalizer controls
Requires root and a Magisk module install Configuration is overwhelming and easy to make sound worse with	Compatibility varies by music player and device; some features are paid.
Downloadable app	Downloadable app
Open source	Closed source
License not stated	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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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