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Ultimate Vocal Remover vs Fadr: catalog facts
Ultimate Vocal Remover	Fadr
Free Free and open source, with optional donations to the developers.	Freemium Fadr Basic is free with unlimited use; Fadr Plus costs $10 a month or $100 a year.
Windows, macOS, Linux	Web
Separates vocals and instruments locally with no upload Ships many models trained by the project's own developers	Unlimited basic stem separation on the free plan Key, tempo, chord and MIDI detection alongside stems
Processing can be slow without a capable GPU Choosing between many models takes some experimentation	Finer stems, WAV downloads and plugins require Fadr Plus Songs are uploaded to Fadr's servers for processing
Downloadable app	Web application
Open source	Closed source
License: MIT	License not stated
No account needed	Account needed
Works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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