| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| AI-powered SEO content creation and optimization tool
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| Stage | Startup
| MVP
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| Founded | 2026
| Not given
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| Based in | HK
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: 500 words/day humanize + unlimited detector (no credit card required); Basic: $9.99/month for 50,000 words/month + 30-day history + priority email support; Pro: $19.99/month for 250,000 words/month + academic mode + 90-day history + priority API queue. Student discount: 50% off annual plans wi
| Free plan: 50,000 words free. Starter: $24 per month (150,000 words). Standard: $49 per month (300,000 words). Premium: $99 per month (Unlimited words).
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| Key features | - AI text humanizer with casual, academic, and business modes
- Free AI content detector with ai_score, perplexity, and burstiness metrics
- Morphology-aware Japanese rewriting with conjugation and particle control
- Citation and technical term preservation in academic mode
- Three parallel rewrites scored by separate detector model
- Five-step intensity slider for faithfulness vs. AI-fingerprint tradeoff
- History and re-rewrite capability (30 or 90 days depending on plan)
- Second-pass academic polish with Claude 3.5 Haiku on Pro plan
- Support for English, Japanese, Korean, German, French, Spanish, Portuguese, and Chinese
- Tested against GPTZero, Turnitin, Originality.ai, and Copyleaks
| - Bulk content generation for multiple pieces at once
- Content cluster creation with keyword optimization
- Multi-language content generation
- Long-form keyword-optimized content
- AI-powered automatic internal linking
- Grammar checking and plagiarism detection
- Brand voice customization
- API access for premium users
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| What makes it different | - Best-in-class Japanese support with morphology-aware morpheme-level tuning, unlike generic humanizers
- Separate AI detector scores rewrites to guarantee the most natural result
- Preserves academic citations, figures, tables, and technical terminology verbatim
- Five-step granular intensity control to trade off faithfulness versus AI-fingerprint removal
- Independent developer with transparent privacy: no model training on user text, fixed deletion schedule
| - Built-in internal linking for improved SEO structure
- Local SEO targeting with location-specific optimization
- Free 50,000 words to get started
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 27 ● no change since last check |
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| Trust Flow (Majestic) | 11 | 7 |
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| Citation Flow (Majestic) | 14 | 20 |
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| Referring domains (Majestic) | 46 | 315 |
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Suikou AI
SEO Content AI