| Pricing | Not given
| Free plan: one book in progress at a time, 100 AI actions per month, all planning, writing, formatting and publishing tools included, no credit card required. Author plan: $18/month or $173/year for unlimited books and series, 2,000 AI actions per month, all features included.
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| Key features | - Structure, pacing, emotional arc, character arcs, dialogue, readability and theme analysis
- Story Bible with characters, relationships, world-building, themes and timeline
- Continuity checker and plot-hole detection
- Manuscript readiness score
- AI reader personas and real beta-reader feedback sessions
- Pitch kit with cover, title alternatives, blurb, query letter, and submission checklist
- Non-fiction argument soundness, fact-check, and citations
- Real-time collaboration for co-authors, editors, and teams
- Android mobile app with same account and features as browser
- Non-fiction book proposal generator
| - Multiple story structure frameworks: Three-Act, Seven-Point, Hero's Journey, and plain outline with structure conversion preview
- Customizable AI editing lenses for spelling, dialogue, character consistency, emotion, pacing, continuity and worldbuilding
- Eight edition types: ebook, paperback, hardcover, large print, sampler, serial, audiobook script and box set
- 26 trim sizes plus custom, 53 open-licence typefaces, six themes with widow and orphan control
- Guided publishing for ten storefronts with step-by-step checklists and export of metadata
- Launch promotion playbook with 16 promotion channels mapped and advertising copy generation
- Sales tracking, review monitoring and promotion performance analytics
- Series planning with arcs spanning multiple books and shared worlds
- Browser-based editor with autosave, snapshots, word counts and cross-device access
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| What makes it different | - Analysis-first approach that reads your manuscript without writing it for you
- Ranked, actionable diagnostics with deep-linked fixes prioritized by severity
- Rescans included in monthly allowance instead of per-analysis charges
- Real and AI-powered beta reader feedback before querying agents
- Separate tools for non-fiction including argument mapping and fact-check support
| - All book stages integrated in one place with no exporting or re-importing between apps
- AI that only suggests without rewriting, helping authors train their own writing style
- Books and work are never deleted; cancelling a subscription does not remove any content
- Free plan with all planning, writing, formatting and publishing tools included
- Professional typesetting automatically applied with widow/orphan control and spine width calculation
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