Correct, natural English in every Mac app you write in
AI ebook studio that writes books from your own notes, then exports publish-ready files
Stage
Not given
Not given
Founded
Not given
Not given
Based in
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Pricing model
Freemium
Freemium
Pricing
Free: unlimited spelling, 30 grammar checks, 10 AI actions and 20 predictions per day. Pro: $144/year or $20/month, everything unlimited. Team: $15/seat/month or $180/year per seat.
Free plan with 50 credits (covers approximately 2 lead magnets). Starter plan $19/month for 300 credits. Pro plan $39/month for 900 credits. Credit pack $20 one-time for 250 credits. Single book $9 to download one finished book's PDF, EPUB and DOCX. Lead magnet 25 credits ($1.58 on Starter, $1.08 on
Key features
Real-time spelling and grammar correction in any macOS app
Fixes explained in your language (11 languages supported)
Tone checking and adjustment for different contexts
Rewrite and rephrase suggestions
Explain incoming messages and generate replies
Write in your language and get English translations
Word predictions and auto-complete
Personal dictionary and learning words
Works in Mail, Slack, Teams, GitHub, Notion and 10+ other apps
Team plan with shared brand rules and dictionaries
Free book planning with title options and chapter outlines before writing
Write books from your own notes, transcripts, PDFs and course materials
Read and edit every chapter in the app before paying
Export as publish-ready PDF, EPUB and DOCX files
Full commercial rights to sell books anywhere
AI-generated coloring books with vector line art
Connect to Claude, ChatGPT and other AI apps via MCP
Web research integration while writing
Six cover design options per book
AI rewriting with accept/reject preview
What makes it different
Designed specifically for non-native English speakers with fixes explained in 11 languages
Works in-app without switching windows or copying and pasting
Cloud checks discarded immediately, never stored or used for training
Unlimited spelling fixes even on free plan with no account required
Write from your own material, not generic filler
No watermark and full commercial rights included
Plan and read everything free before any payment
Integration with AI apps you already use via MCP
Create multiple book types from one platform: ebooks, lead magnets, workbooks and coloring books
WriteNative
SuperEbook