CharmWriter vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
CharmWriter compared with Opsis
| Detail | 
CharmWriter | 
Opsis |
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| What it does | Voice-first AI ghostwriter for storytellers who never wanted to be writers
| 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 | Paid
| Freemium
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| Pricing | Credit packs: Notebook ($2.99, 3 credits), Manuscript ($9.99, 11 credits), Novella ($19.99, 25 credits), Novel ($49.99, 65 credits). One credit equals approximately 1,000 finished words. Credits never expire.
| Not given
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| Key features | - Voice-to-prose conversion with real-time transcription
- Story Bible that tracks characters, places, and plot threads
- Talk to your characters for story development
- Editorial questions and contradiction detection
- Multiple export formats: EPUB, Word, Markdown, and print-ready HTML
- Story Map showing character relationships and connections
- Type or speak your story, or upload recordings
- Finish Book wizard with cover designer
- Multi-language support for writing in any language
| - 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 | - Built specifically for storytellers without writing experience, not writers
- Maintains user's original voice and creative control throughout the writing process
- Story Bible automatically ensures consistency across entire manuscript
| - 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) | 4 ▼ −4 (down) since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 9 | 12 |
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| Referring domains (Majestic) | 5 | 1 |
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4 details filled in for both companies.
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