Free: local dictation and on-device cleanup plus 5,000 words of managed cleanup. Monthly: $6.99 per month, cancel anytime. Lifetime: $199 one-time payment.
Octavo: Free forever (1 project, 3 research files, limited AI usage). Quarto: $20/month or $200/year (unlimited projects, 50 files per project, 10× more AI usage). Folio: $100/month or $1,000/year (unlimited research files, 5× more AI usage than Quarto, priority queue, early access to new models).
Key features
Local dictation and on-device cleanup
Cloud-based text cleanup to remove filler words
Teach custom words and jargon corrections
Audio stays on your Mac
Dictation history stored locally
Supports up to three Mac activations per license
Free updates included
Context-aware AI suggestions that read your chapters first
Source-grounded edits from PDFs, URLs, and YouTube transcripts
Red and green diffs requiring your approval
Export to Amazon KDP, Apple Books, Lulu, IngramSpark, Google Play Books, Draft2Digital
Chapter-aware AI agent
Citation engine with Chicago-formatted bibliography
Front matter and back matter editor
Version history to save and restore manuscript versions
Clean PDF and EPUB export with professional typography
What makes it different
Audio processing stays on your Mac by default
Removes filler words automatically
Learn custom terminology for consistent corrections
Choose between subscription or lifetime ownership
Keeps your entire book and research in context, unlike chat windows that start fresh each session
Returns edits as approvable diffs you control, not auto-inserted changes
Built specifically for book publishing with real front matter, back matter, and professional export formats
Chaptora