| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| AI agent that grows your search traffic through autonomous SEO content research, writing, publishing, and ranking tracking
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| Stage | Startup
| Startup
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| Founded | 2026
| 2024
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| Based in | HK
| Not given
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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: 10,000 words per month, no credit card required. Starter plan: $45 per month for 100,000 words per month. Pro plan: $69 per month for unlimited words. All plans include AI images, CMS publishing, and AI Agent access. Yearly billing available with 17% savings.
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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
| - Autonomous keyword and competitor-gap research
- Publication-ready article writing with six-dimension quality self-audit
- Scheduled publishing to your CMS including WordPress, Shopify, Wix, Ghost, and Sanity
- Google ranking and AI-search citation tracking across ChatGPT, Perplexity, and Google AI Overviews
- Automatic refresh of underperforming content
- Content calendar planning
- Full editorial control with approval gates before publication
- 10 free SEO tools with no signup required
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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
| - AI employee that executes the full content pipeline, not a writing assistant that produces drafts
- Optimization for both traditional search engines and AI-powered discovery surfaces like ChatGPT and Perplexity
- Grounded in your actual search data with full Search Console integration
- Multi-surface AI visibility tracking across rankings, AI Overviews, ChatGPT, and Perplexity citations
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 15 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 11 | 21 |
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| Citation Flow (Majestic) | 14 | 27 |
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| Referring domains (Majestic) | 46 | 91 |
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Suikou AI
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