Turn a one-paragraph brief into a typeset nonfiction book with AI-generated chapters, guided editing, and publication-ready files
AI writing tool for character headcanons and scene ideas
Stage
Startup
Not given
Founded
Not given
Not given
Based in
AE
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan: 60 promotional Book Credits once, no card required. Creator plan: $29/month with 350 Book Credits. Author plan: $49/month with 850 Book Credits. Studio plan: $99/month with 2,200 Book Credits. Top-up packs: Small $12 for 100 credits, Medium $49 for 500 credits, Large $119 for 1,500 credit
Free: 50 welcome Sparks for 7 days (up to 5 standard generations). Spark Pack 500: $4.90 (up to 50 standard generations, valid 365 days). Spark Pack Plus 2,000: $14.90 (up to 200 standard generations, 24% less per Spark, valid 365 days).
Key features
AI-generated chapter outlines with user approval
Generate up to 40,000 words of AI-drafted chapters
Rewrite, expand or shorten individual passages
Add up to 10 sources as PDFs, text or web pages
Fact-checking read-through that flags unsupported claims
Public book pages with reader email capture
AI cover generation from book brief
Generate structured headcanon ideas with premise, emotional logic, and scene hooks
Reroll and rewrite generations with 3 Sparks per rewrite
Save and share headcanons through public share links
Preset prompt angles for common fandom scenarios
Control panel for tone, angles, and canon distance customization
Generate multiple tones for the same character premise
Account-based result storage with persistent access after Sparks expire
What makes it different
Read a free sample chapter and outline before paying
You retain full ownership of all generated files and can publish anywhere
Fixed credit prices shown before each action starts
AI content disclosure checklist for Amazon KDP compliance
Templates and tone control built specifically for headcanon generation instead of generic chat
Reusable, structured output designed to be saved and shared with fandom communities
Emotional logic and expandable details for turning ideas into finished fic
Specialized for fandom writers with existing character tension and ships
Focused text-based generation rather than image generation
Chapbook
Margo