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