| What it does | Long-form writing AI assistant
| 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 | US
| AT
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| Pricing model | Freemium
| Freemium
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| Pricing | Pro plan: $49/mo billed yearly. Team plan: $99/mo per seat. Contact for team plan details.
| 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 | - Smart Chat powered by GPT-4 for real-time editing feedback
- Content Clusters to generate 10+ related content ideas in seconds
- Wizard for transforming notes into outlines and paragraphs
- Luna AI assistant for first draft generation from prompts
- Boss Mode for complete content transformation
- Custom Style Generator to write like famous authors and public figures
- Multiple content templates including blog, essay, newsletter, and technical guides
- Team collaboration with real-time editing
- Rich media integration with links, images, and uploads
- Public drafts to share work with others
| - 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 | - Only AI writing assistant specifically trained for long-form content
- Produces coherent, researched content without meaningless nonsense
- 30-day money-back guarantee on paid plans
- Powerful text editor designed specifically for AI-generated content
- GPT-4 powered features for superior quality output
| - 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) | 59 ● no change since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 16 | 4 |
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| Citation Flow (Majestic) | 38 | 22 |
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| Referring domains (Majestic) | 985 | 7 |
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Moonbeam
Chaptora