Castory

Spec sheet

Purpose

Castory turns manuscripts into structured, chapter-based audiobooks for authors and publishers.Read 3 Oct 2026 · castory.studio

Intended users

Castory describes itself as built for authors and publishers, and supports fiction, nonfiction, and serialized works.Read 3 Oct 2026 · castory.studio

Security

Castory says it implements reasonable technical and organizational safeguards; it does not name a security certification or compliance standard on this page.Read 3 Oct 2026 · castory.studio

Content ownership

Users retain ownership of uploaded content, and Castory says it does not claim ownership of generated audio.Read 3 Oct 2026 · castory.studio

Data retention

Uploaded files and generated results are stored only as long as necessary, and users may delete content through the product interface.Read 3 Oct 2026 · castory.studio

Document formats

Castory supports PDF and more than 10 document formats.Read 3 Oct 2026 · castory.studio

EPUB output

The EPUB workflow supports listening online and downloading chapter-based audiobook audio as MP3 files.Read 3 Oct 2026 · castory.studio

Model training

Castory says it will not use uploaded content to train or improve general-purpose AI models without explicit consent.Read 3 Oct 2026 · castory.studio

Narration

It supports multiple narration roles, including distinct voices for dialogue and characters.Read 3 Oct 2026 · castory.studio

Narrator matching

Its AI analyzes a manuscript’s genre and emotional tone to suggest narrators for chapters and characters.Read 3 Oct 2026 · castory.studio

Processing limit

The homepage says it can process novels up to 100,000 characters in one workflow.Read 3 Oct 2026 · castory.studio

Review and export

Users can preview and adjust narration settings before generation, then export audio files for distribution.Read 3 Oct 2026 · castory.studio

Service status

The terms say the service may be offered in beta or limited-release form and that availability is not guaranteed to be uninterrupted.Read 3 Oct 2026 · castory.studio

Voice library

Castory says it offers more than 50 voices for multilingual audiobook creation.Read 3 Oct 2026 · castory.studio

Plans and prices

Every Castory plan and price →

Where Specifiction places it

• AI audiobook generators#14 of 257.5