Unfox AI Humanizer vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Unfox AI Humanizer compared with Opsis
| Detail | 
Unfox AI Humanizer | 
Opsis |
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| What it does | AI text humanizer that turns AI-generated drafts into natural writing
| 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 | HK
| AU
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| Pricing model | Freemium
| Freemium
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| Pricing | Basic Year: $5/mo ($60 billed annually) with 240,000 words/year; Pro Year: $10/mo ($120 billed annually) with 960,000 words/year; Unlimited Year: $15/mo ($180 billed annually) with unlimited AI humanization
| Not given
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| Key features | - Context-aware sentence reconstruction
- Contextual lexical selection based on semantic context and register
- Rhythm and linguistic variation
- Tone and register adaptation
- Semantic preservation to maintain original intent and meaning
- Support for 17 mainstream languages
- Works with multiple AI writing tools
- AI detector integration
- Up to 5,000 words per batch
- Browser extension for Chrome and Edge
| - 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 | - Proprietary humanization model specifically optimized for AI text instead of general-purpose AI
- Preserves semantic meaning with 100% semantic preservation guarantee
- Privacy-first approach with immediate text deletion
- Helps 100M+ words polished daily across hundreds of thousands of users
- 92% pass rate increase with major AI detectors after humanization
| - 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) | 5 ● no change 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) | 32 | 12 |
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| Referring domains (Majestic) | 515 | 1 |
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5 details filled in for both companies.
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