| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| Your copywriting assistant for Claude, ChatGPT and Cursor that gives your AI the method for each piece and reviews every draft.
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| Stage | Startup
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| Founded | 2026
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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
| Basic: $9/month or $90/year. Complete: $29/month or $290/year. 14 days free trial on either plan. Complete includes 1,500 credits per month that roll over for up to 3 months (up to 4,500 total). Credit packs available for additional usage.
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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
| - Write with method for different content types (ads, pages, emails, posts, stories, offers)
- Review drafts for AI voice, claims without proof, and missing CTAs before publishing
- Save and reuse business brief (offer, buyer, voice, proof) across chats
- SEO audit of live pages with on-page rules and AI search readiness
- Check whether AI assistants cite your site versus competitors
- Crawl sites up to 100 pages for SEO analysis
- Identify unsourced claims, fake urgency, and ad policy violations
- Unlimited use on Basic plan, no usage cap for writing and reviews
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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
| - No new app—works as a connector in the AI assistants you already use
- Review checks every draft against your brief before you see it, fixing AI voice automatically
- Engines measure against real results: live pages, AI citations, winning pages and ads in your niche
- Five-minute setup, no technical skills needed; one connector URL in Claude and ChatGPT
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 13 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 11 | 7 |
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| Citation Flow (Majestic) | 14 | 16 |
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| Referring domains (Majestic) | 46 | 12 |
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Suikou AI
Copix