| What it does | AI studio and reader for books, comics, and printables with optional cloud sync and AI audiobooks
| Context-aware AI book editor for authors
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| AT
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| Pricing model | Freemium
| Freemium
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| Pricing | $9 per book, $9.99 per comic, $5 per printables set, $9 per blog post. Writing and reading are free; prices apply only to download files.
| Octavo: Free forever (1 project, 3 research files, limited AI usage). Quarto: $20/month or $200/year (unlimited projects, 50 files per project, 10× more AI usage). Folio: $100/month or $1,000/year (unlimited research files, 5× more AI usage than Quarto, priority queue, early access to new models).
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| Key features | - AI-powered writing in 26 formats across 48 languages
- Interview-based planning and chapter writing
- Bite-sized card reading view for focus
- Bionic Reading to improve reading speed
- RSS and Atom feed integration
- Offline reading with no ads
- Optional free cloud sync across devices
- AI audiobooks with word-by-word highlighting
- Export highlights and notes as Markdown
- Multiple output formats including EPUB and PDF
| - Context-aware AI suggestions that read your chapters first
- Source-grounded edits from PDFs, URLs, and YouTube transcripts
- Red and green diffs requiring your approval
- Export to Amazon KDP, Apple Books, Lulu, IngramSpark, Google Play Books, Draft2Digital
- Chapter-aware AI agent
- Citation engine with Chicago-formatted bibliography
- Front matter and back matter editor
- Version history to save and restore manuscript versions
- Clean PDF and EPUB export with professional typography
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| What makes it different | - Finished, publishable files not drafts in one studio session
- All output is real—no mockups shown
- Line-edited writing that reads like a human wrote it
- No credits or subscriptions needed to write
- AI disclosure and copyright flexibility for Amazon publishing
| - Keeps your entire book and research in context, unlike chat windows that start fresh each session
- Returns edits as approvable diffs you control, not auto-inserted changes
- Built specifically for book publishing with real front matter, back matter, and professional export formats
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▲ +5 (up) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 20 | 22 |
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| Referring domains (Majestic) | 14 | 7 |
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Neubook
Chaptora