| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| Turn one piece of content into a week of posts
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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: $0 with 5 repurposings/month and all 7 output formats. Sidekick Basic: $9/mo with 50 repurposings/month and all 7 output formats. Sidekick Pro: $29/mo with unlimited repurposings, priority support, and new formats first.
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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
| - Turn one piece of content into 8 platform-ready posts
- Twitter threads, LinkedIn posts, TikTok scripts, emails, Reddit threads, Instagram captions, and quote graphics
- Optional X account connection for audience-tuned output
- No account linking required to start
- Results in under 30 seconds
- Built with fidelity guardrails to catch meaning-distorting errors
- Free tier includes 5 repurposings per month
- No credit card required for free trial
- Paste in, get output back without complex prompts
- No AI experience needed to use
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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 setup required and no account linking necessary to start
- Results generated in under 30 seconds
- Output adapts to your real audience when X account is connected
- Built with fidelity guardrails to preserve meaning
- Supports 8 output formats from a single input
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 14 | 0 |
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| Referring domains (Majestic) | 46 | 0 |
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Suikou AI
AI Sidekick