| What it does | AI writing tools to detect, humanize, rewrite and check grammar
| The AI Book Agent
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| Stage | Startup
| Startup
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| Founded | 2026
| 2024
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| Based in | GB
| GB
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: unlimited AI Detector, 3 daily uses on writing tools, 5 of 9 humanizer modes, 5 of 8 rewriter tones. Starter $9.99/mo (or $7.99/mo annually): 30K words/month, every humanizer and rewriter mode, 500 words per process. Pro $19.99/mo (or $15.99/mo annually): 100K words/month, no per-request word
| Free: 100 welcome credits. Plus: US$29/month with 1,000 credits per month. Pro: US$59/month with 4,000 credits per month. Max: US$99/month with 10,000 credits per month. Yearly option saves 2 months (one payment for 10 months of the monthly price).
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| Key features | - Unlimited free AI detector with no daily limit or signup required
- AI Humanizer with 9 writing modes including Standard, Academic, Blog, Formal, and Simple
- Statistical detection engine that processes text on own servers with no third-party sharing
- AI Rewriter with 8 different tones
- Grammar Checker tool included in all plans
- Chrome Extension for in-browser humanizing and detection
- Brand Voice feature for maintaining consistent tone across 1-3 voices depending on plan
- Re-humanize function to generate genuinely different drafts at higher variation
| - Write from documents, notes, talks, recordings, or ideas
- Support for 100+ languages
- Multiple input formats including PDF, Word, MP3, MP4
- AI-powered chapter writing
- Built-in editor with chat interface
- Export in multiple formats: DOCX, EPUB, PDF, HTML, KDP pack
- Cover and illustration generation
- Specialized book skills for memoir, novel, biography
- Unlimited web search for research
- Unlimited book storage
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| What makes it different | - Unlimited free AI detector with no daily limits, while competitors limit guests to 3 scans per day
- Published accuracy rates with measured false-positive and false-negative rates instead of unverifiable claims
- Integrated detect-then-fix workflow keeping flagged drafts in one tool instead of switching between products
- Privacy-first approach with AI Detector processing text on own servers with no third-party access
- Browser-first start with no extension setup or account creation required before first use
| - You retain full ownership and commercial rights to your finished book
- Content not used to train AI models
- Start writing with just a sentence or bring complete materials
- Free tier includes 100 credits with no card required
- All-in-one workspace from drafting through publication
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 23 ▲ +1 (up) since last check | 3 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 6 | 12 |
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| Citation Flow (Majestic) | 17 | 25 |
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| Referring domains (Majestic) | 205 | 20 |
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