Turn a one-paragraph brief into a typeset nonfiction book with AI-generated chapters, guided editing, and publication-ready files
Native AI writing assistant for Mac and Windows
Stage
Startup
Not given
Founded
Not given
Not given
Based in
AE
LU
Pricing model
Freemium
Paid
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
Monthly subscription €8/month or annual subscription €75/year (€6.25/month with 22% savings). Both plans include full access to all features: unlimited devices, unlimited AI requests, multi-language support, works in any app, and 30 days money back guarantee.
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
Grammar and spelling correction with AI-powered suggestions
Instant translation to and from any language
Tone adjustment from casual to professional, friendly, or persuasive
Text summarization into bullet points
Smart rephrasing for clarity and flow
Custom prompts with keyboard shortcuts
BYOK support with OpenRouter integration
Works in any application without tab switching
Multi-language interface support
GDPR compliant with EU data centers
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
Native desktop application that works everywhere without browser dependency or tab switching
Privacy-first architecture with zero data storage or processing of user texts
Highly customizable with custom prompts and hotkeys for personalized workflows
Contextually accurate translations that preserve meaning, not just words
All-in-one tool covering grammar, translation, content generation, and tone adjustment
Chapbook
Pismo