| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| AI writing and study partner for students that humanizes AI text and creates undetectable writing
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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
| Free (500 words/week for humanizing, 3 flashcard sets, 3 mind maps, 2 podcasts, 1 study plan weekly); 7-Day Assignment Pass $7.99 one-time (unlimited 7-day access); Conch Plus $15/month (5,000 words/week, 5 flashcard sets, 5 mind maps, 4 podcasts, 3 study plans weekly); Conch Unlimited $25/month or
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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
| - Humanize AI writing with natural tone and human score
- AI content detection and checking
- Essay and research paper writing with outlines and sources
- Mind maps and visual concept mapping
- Convert notes to audio podcasts
- Document organization and note-taking
- Automatic citation support in APA, MLA, Chicago, Harvard formats
- Study planner with deadlines and sessions
- Document chat to ask questions about uploaded PDFs and files
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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
| - All-in-one platform combining AI writing, humanization, and comprehensive study tools in one subscription
- Humanizes AI text to sound natural with detectable AI patterns removed and human score verification
- Generates original content that passes plagiarism tests with 99.99% originality
- Convert learning materials directly into multiple study formats automatically
- Free plan with no credit card required and substantial weekly allowances
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 37 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 11 | 11 |
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| Citation Flow (Majestic) | 14 | 36 |
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| Referring domains (Majestic) | 46 | 430 |
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Suikou AI
Conch AI