Suikou AI vs nonolingo
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Suikou AI compared with nonolingo
| Detail | 
Suikou AI | 
nonolingo |
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| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| Fix your English right where you type, on Mac
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| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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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: $0 forever with daily allowance after 7-day trial. Pro month: $1.99 for 30 days. Pro year: $19.99 for 365 days.
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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
| - Fix with grammar and tense correction
- Native rewrite suggestions
- Works in every application with text boxes
- Suggested replies with four options
- Translation between languages
- Custom snippets with shortcuts
- Personal writing style customization
- Explanation of corrections
- Optional chat context for tone matching
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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 subscription, pay once with no auto-renewal
- Works across all Mac applications through accessibility
- Preserves personal writing voice with customization
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 2 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 14 | 10 |
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| Referring domains (Majestic) | 46 | 1 |
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5 details filled in for both companies.
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