Novel writing software that tracks characters, timelines, and world rules, and catches continuity errors before readers do
AI-assisted manuscript checks for fiction authors and editors
Stage
Startup
Not given
Founded
2025
Not given
Based in
Not given
GB
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 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).
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
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
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
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