Story development studio for serious fiction writers
Stage
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Founded
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Based in
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US
Pricing model
Freemium
Freemium
Pricing
Free 14-day trial, then $14.99 one-time purchase
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
Key features
Web clipping and research collection from websites, books and papers
Publishing to PDF, Word, or website
On-device AI for document analysis
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
What makes it different
Pure Markdown format with documents stored as ordinary .md files, editable in any app
On-device AI by default with no data sent to servers unless you choose otherwise
Seamless iCloud Drive and Dropbox integration with conflict resolution
Automatic link updates when documents are renamed or moved
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
Grasmere