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Wavelet vs FxSound: catalog facts
Wavelet	FxSound
Freemium A free edition or tier is available. Additional features or hosted services require…	Free Free and open source. Hosting, hardware and any external services are separate.
Android	Windows
Provides headphone correction profiles Includes manual equalizer controls	Includes sound presets and equalizer controls Offers system audio enhancement settings
Compatibility varies by music player and device; some features are paid.	Audio effects can change the original sound and depend on the playback setup.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
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.