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VOICEPEAK vs CeVIO AI: catalog facts
VOICEPEAK	CeVIO AI
Paid Voice packs are sold individually; a trial is offered for the six-narrator set.	Paid Voice banks are bought as separate licensed products.
Windows, macOS, Linux	Windows
Emotion parameters for expressive speech Runs on Windows, macOS and Linux	AI singing and speech synthesis in one program Range of character voice banks, including third-party voices
Product information is mainly in Japanese Character voices need a separate licence for commercial use	Windows only Website and user guide are in Japanese
Downloadable app	Downloadable app
Closed source	Closed 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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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