Novel writing software that tracks characters, timelines, and world rules, and catches continuity errors before readers do
Pre-publication checks and benchmarks for fiction manuscripts
Stage
Startup
Established
Founded
2025
2020
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 preview with headline counts and sample findings. Final Check: 7-day pass. Revision Pass: 30-day pass. Prolific / Series Author: annual plan. Editor: annual plan for professional use.
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
42 consistency and reference reports in one scan
Glossary extraction with suggested definitions from context
Character, place, and faction directories
Series continuity checks across multiple books
Benchmark comparison against 21,956 published novels
Pronunciation guide for audiobook narration
Spoiler-level glossary editions
Multi-format upload and export
No AI, rule-based analysis with deterministic results
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
Catches spelling inconsistencies that spellcheckers miss by checking against the book's own invented vocabulary
No AI involved - all analysis is deterministic and rule-based
Manuscripts never stored for complete privacy and security
Works in any browser with no plugins or Microsoft Word required
Operates against benchmark of over 1 billion words from published novels