Free plan at $0/month with basic writing features and limited AI allowance. Plus plan at $9/month with unlimited docs, encrypted cloud backups, external connections, and x5 more AI usage. Pro plan at $29/month with all Plus features plus multi-agent mode and x15 more AI usage, marked as Best value.
Core Plan: $19/month (200,000 words of editing per month, limited rewriting ability). Pro Plan: $29/month (300,000 words of editing per month, able to rewrite entire chapters and books). A one-time free word sample is available for new accounts.
Key features
Intelligent AI assistant with chat, edit and write capabilities
True offline experience with local file storage
Web research and image generation
Deep mode for complex creative tasks
Multi-agent mode for collaborative AI
Import and export multiple file formats
Encrypted cloud backups
Page and pageless document viewing modes
External connections for integrations
Sentence-level literary feedback
Paragraph-level literary feedback
Passage-level literary feedback in context
Chapter-level literary feedback in context
Book-level literary feedback in entire context
One-click text rewriting with AI
Entire chapter rewriting on Pro Plan
Entire book rewriting on Pro Plan
300,000-word context window on Pro Plan
Progressive learning through interactive Q&A
What makes it different
Keeps your files locally on your machine instead of on company servers
Combines offline-first document editing with integrated AI without tab-hopping
Works with your existing file formats and imports from popular platforms
Fast performance for large documents with flexible viewing options
Designed for writers and thinkers who care about word quality
Human book editors charge thousands but AI Book Editor starts at $19 per month
Gives almost immediate feedback while human editors take weeks
300,000-word context window three times more than average novel
All output belongs 100% to the user for commercial use