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Realtime Voice Changer vs Altered Studio: catalog facts
Realtime Voice Changer	Altered Studio
Free Free to use from the public repository.	Freemium Commercial product; check the Altered site for current plans and prices.
Self-hosted	Windows, macOS, Web
Real-time conversion with RVC models Runs locally, with Colab and Kaggle options	Speech-to-speech conversion keeps the timing and inflection of your performance Curated library of voices plus custom voices
Needs a capable GPU for low latency Setup and model handling are technical	Proprietary software Pricing and plan limits are not clear from the homepage
Self-hosted	Downloadable app, Web application
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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