AI studio and reader for books, comics, and printables with optional cloud sync and AI audiobooks
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word
$9 per book, $9.99 per comic, $5 per printables set, $9 per blog post. Writing and reading are free; prices apply only to download files.
Key features
Mark passages and add notes about what's wrong
Flip through rewrites from multiple AI models at once
Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
Preserve undo history and original drafts
Support for TipTap-based editors and built-in document editor
No need for personal API keys
Credit-based pricing with transparent cost estimates
Handle articles up to 6,000 words on Free plan or 15,000 on Pro
Access 2 models on Free plan or up to 5 on Pro plan
AI-powered writing in 26 formats across 48 languages
Interview-based planning and chapter writing
Bite-sized card reading view for focus
Bionic Reading to improve reading speed
RSS and Atom feed integration
Offline reading with no ads
Optional free cloud sync across devices
AI audiobooks with word-by-word highlighting
Export highlights and notes as Markdown
Multiple output formats including EPUB and PDF
What makes it different
Never leave your editor—rewrites happen in-place without copy-paste
Only the passages you mark change; the rest of your draft stays exactly as written
Compare rewrites from multiple AI models side by side in one click
Free plan with 100 credits and weekly top-ups, no card required
Preserves full undo history even after accepting rewrites
Finished, publishable files not drafts in one studio session
All output is real—no mockups shown
Line-edited writing that reads like a human wrote it
No credits or subscriptions needed to write
AI disclosure and copyright flexibility for Amazon publishing
SwapDraft
Neubook