Side by side
AuthorVoices vs Castory
Both stand on ai audiobook generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Pick AuthorVoices if you are an independent author seeking AI narration, passage edits and audiobook file exports, especially if its retailer channel fits your distribution needs. Look elsewhere if Audible, ACX or Amazon acceptance is essential, or if you need to submit audio made outside AuthorVoices through its project-page distribution flow.
Visit AuthorVoicesCastory combines manuscript conversion, adjustable narration, and chapter-based audio export in a web service. Check the stated processing limit and service availability terms if you plan to use it for a large project.
Visit CastoryThe facts
| AuthorVoices | Castory | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Studio Starter: $49 a month | Free or on request |
| Plans published | 8 | 1 |
| Maker | Not published | Not published |
| Website | authorvoices.ai | castory.studio |
| On ai audiobook generators | #5 of 25 | #9 of 25 |
AuthorVoices: what it does well
- Start projects with EPUB, DOCX or pasted text.
- Quick Fix re-narrates a selected passage.
- Exports audiobooks in MP3 and M4B formats.
- New accounts receive 5,000 narration characters.
- Manuscript ownership stays with users; manuscripts are not used for AI training.
What to know first
- Distribution excludes Audible and Amazon.
- Audible, ACX and Amazon do not accept its third-party AI-narrated output.
- Project-page submission is limited to books made and exported in AuthorVoices.
- Monthly Studio credits do not roll over.
Castory: what it does well
- Free plan listed as free
- More than 50 voices for multilingual creation
- Supports PDFs and more than 10 formats
- Audio export and chapter MP3 downloads
- Users retain ownership of uploaded content
What to know first
- Single workflow limit is 100,000 characters
- Service may be in beta or limited release
- Uninterrupted availability is not guaranteed
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