| What it does | Context-aware AI book editor for authors
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| Stage | Not given
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| Based in | AT
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| Pricing model | Freemium
| Freemium
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| Pricing | 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).
| Free trial: 7 days with 500 KI-Credits, no credit card required. Pro: $20/month ($16.67/month billed yearly) with 2,000 KI-Credits per month. Scholar: $60/month ($50/month billed yearly) with 6,000 KI-Credits per month, team of 6 people included, additional seats $10/person/month. KI-Credit packages
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| Key features | - 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
| - PDF and EPUB reader with highlighting and annotations
- Automatic source attribution for notes
- Support for 10,000+ citation styles including APA, IEEE, GB/T 7714
- AI-assisted writing from verified sources
- Import from Zotero, BibTeX, and RIS
- Import notes from Obsidian Vault and Notion
- Real-time collaboration with role-based permissions
- Infinite whiteboard for visual thinking and organization
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| What makes it different | - 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
| - Unified workflow from reading to submission with traceable source attribution for every statement
- Persistent knowledge tree that grows across projects, with AI-powered connection discovery
- AI writing that only drafts from user's own verified sources, maintaining research integrity
- Repurpose sourced notes into posters, slides, infographics without re-typing
- Offline writing with automatic synchronization across devices and team members
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 22 | 0 |
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| Referring domains (Majestic) | 7 | 0 |
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