| What it does | The only writing app where your world proofreads your book
| Story development studio for serious fiction writers
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| Stage | MVP
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Not given
| Freemium
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| Pricing | Free: Basic free access with 1 project, 1 world, 2 characters, 6 events, 1 book, 2 lore types. Beta: Free forever with 1 project, 2 worlds, 20 characters, 20 events, 3 books, 13 lore types. Writer: $5/month or $55/year for unlimited projects, 1 world, 2 characters, 6 events, unlimited books, 2 lore
| Free: 8,000 AI words/month, 1 project, 10 characters and chapters per project, 10 worldbuilding items. Starter: $12/mo (50,000 AI words/month, 3 projects, unlimited characters and chapters, 50 worldbuilding items per project). Pro: $24/mo (200,000 AI words/month, unlimited projects and worldbuilding
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| Key features | - Continuity checking against your own lore with pure date math, no AI
- Custom calendars with own months, weekdays, year lengths, and eras
- Universal timeline across every world with events and lifespans lined up
- Thirteen kinds of lore entry cross-linked to each other
- Manuscript editor with scene dating and lore linking
- Maps with vector canvas, location pinning, and journey marking
- Family trees built from characters already in your lore
- Campaign planning with 5e-compatible tools for tabletop gaming
- Export to DOCX and PDF for whole book or single chapter
- Worlds and moons with individual calendars, maps, and shared timeline
| - Character relationship mapping with 8 relationship types and strength ratings
- Detailed worldbuilding system with 60+ specialized fields across 6 element types
- Visual timeline view with 3 viewing modes and character filtering
- Scene Surgery AI editing tool for tone and continuity diagnostics
- Consistency scanner that flags contradictions across chapters and books
- Project cloning to start new series books without rebuilding the world
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| What makes it different | - Continuity checking with no AI—pure date math on your own world's facts
- Custom calendar is the system clock for the entire app, not decoration
- Built specifically for worldbuilders, not adapted from general tools
- Free forever in beta with no credit card required
| - Universe-based workspace designed for series, anthologies, and shared-universe builders rather than single-book projects
- Story Compass brief keeps all AI generation and editing grounded in your narrative's core rules and themes
- Voice Engine AI generation matches your personal writing style rather than generic AI output
- Scrivener import for Desktop version allows switching without retyping existing work
- Local AI option with Desktop version runs entirely offline via Ollama or LM Studio
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 24 ▲ +1 (up) since last check | 8 ● no change since last check |
| Trust Flow (Majestic) | 20 | 2 |
| Citation Flow (Majestic) | 11 | 21 |
| Referring domains (Majestic) | 85 | 33 |