Neubook vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Neubook compared with Opsis
| Detail | 
Neubook | 
Opsis |
|---|
| What it does | AI studio and reader for books, comics, and printables with optional cloud sync and AI audiobooks
| Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| AU
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| Pricing model | Freemium
| Freemium
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| Pricing | $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.
| Not given
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| Key features | - 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
| - Autocomplete with Tab to accept drafts
- Error detection and fact-checking
- Cross-app integration
- Source attribution for every suggestion
- Context-aware AI assistance
- One-click pause and privacy control
- Encrypted data storage
- Read-only app connections
- Natural writing style matching
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| What makes it different | - 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
| - Finishes sentences from your actual work history and connected files, not generic AI
- Shows source for every suggestion so you can verify it before accepting
- Catches mistakes and contradictions between what you're writing and your work history
- Works inline in the apps you already use without installation
- You stay the author with full control over what gets written
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 20 | 12 |
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| Referring domains (Majestic) | 14 | 1 |
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4 details filled in for both companies.
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