Novel writing software that tracks characters, timelines, and world rules, and catches continuity errors before readers do
A calm, distraction-free Markdown writing app for writers that works offline
Stage
Startup
Not given
Founded
2025
Not given
Based in
Not given
IN
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 plan includes all core writing features. Pro Membership: $3.99/month or $29/year. Pro Lifetime: $29 (founding price until 13 November 2026), then $59.
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
Focus, Typewriter and Zen modes for distraction-free writing
Works offline in any modern browser
Plain Markdown files stored locally, on disk, or in Google Drive
Link documents with [[wikilinks]]
Version history with side-by-side comparison
Word targets with deadlines and daily pace tracking
Manuscripts: organize chapters and export as one
Export to Markdown, web page, Word, PDF and blog post
Syntax Highlight and Style Check (Pro)
Authorship tracking to mark text by you, AI, or sources
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
No account required to start writing
Works completely offline with full functionality
One-time payment option for Pro (no subscription required)
Bunsho
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