| What it does | The only writing app where your world proofreads your book
| AI-assisted manuscript checks for fiction authors and editors
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| Stage | MVP
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| Founded | Not given
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| Based in | 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 Trial: one sample check (up to 3,000 words). Single Pass: £19 per check (up to 120,000 words). Pro Author: £22 per month (3 full checks every month). Studio / Editor: £49 per month (10 checks every month).
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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
| - Check character consistency for appearance, ages, names and relationships
- Review timeline and sequence for dates, durations and event order
- Compare numbers and facts including ages, distances and quantities
- Check plot state and physical logic for injuries, props and role changes
- Review worldbuilding and lore including geography and travel times
- Detect point of view and voice issues including head-hopping and tense shifts
- Build series bible and compare sequels against established canon
- Track timeline, plot threads and character relationships across manuscript
- Re-check revised chapters with delta re-check feature
- Export and share reports as PDF, Word or CSV, or share read-only link
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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
| - Builds series canon automatically and checks sequels against established facts
- Provides chapter references and supporting quotes for each finding
- Never rewrites prose; authors retain final editorial control
- Mark findings as resolved, intended or dismissed for tracking revisions
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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 | 9 ▼ −1 (down) since last check |
| Trust Flow (Majestic) | 20 | 2 |
| Citation Flow (Majestic) | 11 | 18 |
| Referring domains (Majestic) | 85 | 6 |