Free: $0 per month, unlimited members, 1 voice, 3 templates, MCP server. Business: $8 per user per month billed yearly (save 20%). Enterprise: coming soon.
Free: 100 welcome credits. Plus: US$29/month with 1,000 credits per month. Pro: US$59/month with 4,000 credits per month. Max: US$99/month with 10,000 credits per month. Yearly option saves 2 months (one payment for 10 months of the monthly price).
Key features
Brand voice definition with tone, style rules and linguistic behavior configuration
MCP integration to connect with Claude, ChatGPT, Cursor and other AI tools
Audience context configuration for targeted messaging
Write from documents, notes, talks, recordings, or ideas
Support for 100+ languages
Multiple input formats including PDF, Word, MP3, MP4
AI-powered chapter writing
Built-in editor with chat interface
Export in multiple formats: DOCX, EPUB, PDF, HTML, KDP pack
Cover and illustration generation
Specialized book skills for memoir, novel, biography
Unlimited web search for research
Unlimited book storage
What makes it different
Enforces brand consistency automatically across all AI tools without extra steps or manual prompting
Brand voice lives in the tools as enforceable parameters rather than in unread PDF style guides
Works with every AI tool your team uses through MCP integration
Solves the mechanical inconsistency problem that AI creates at scale
You retain full ownership and commercial rights to your finished book
Content not used to train AI models
Start writing with just a sentence or bring complete materials
Free tier includes 100 credits with no card required
All-in-one workspace from drafting through publication
Brivvy
Booova