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Voice-Swap vs Applio: catalog facts
Voice-Swap	Applio
Freemium Voiceover Studio starts with 1000 free characters; other features are paid.	Free Free and open source under the MIT licence.
Web	Windows, macOS, Linux
Licensed, artist-approved singing voices Custom voice model creation	Voice conversion, real-time voice changing and model training in one app Runs locally with no account and no telemetry
Free allowance is small Much of the offering targets enterprises	Training voice models needs capable hardware Converting someone else's voice raises consent and copyright questions
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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