Novel writing software that tracks characters, timelines, and world rules, and catches continuity errors before readers do
Markdown editor for writers and researchers
Stage
Startup
Not given
Founded
2025
Not given
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Free: editor with one project and starter AI credits. Quill: $8/month with unlimited projects, full editor, World and Planner, no AI. Storyteller: $15/month with continuity checker and monthly AI allowance. Saga: $29/month with higher AI limit for daily drafting and series work.
Free 14-day trial, then $14.99 one-time purchase
Key features
Continuity checker that identifies contradictions with both passages quoted
Plot hole checker
Planner with chapter cards showing intended story purpose
Shows how story changes ripple through manuscript
Free editor with no account or card required
Local-first with manuscript stored on user's machine
AI-generated prose for scenes as beat sheets requiring approval
Hand-editable character and world entries that become canon
Web clipping and research collection from websites, books and papers
Publishing to PDF, Word, or website
On-device AI for document analysis
What makes it different
Automatically reads manuscript to populate character, place, and object tracking rather than requiring manual form entry
Only checks for continuity when you request it, never running in background while typing
Shows both conflicting passages side by side for every continuity issue found
Director Mode ensures AI-drafted scenes don't contradict character knowledge before prose is written
Manuscript never leaves your machine or used for AI training
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
Bunsho
Grasmere