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Suikou AI vs Notedly

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 Notedly
DetailSuikou AI logo Suikou AINotedly logo Notedly
What it doesAI humanizer for multilingual writing with best-in-class Japanese support AI note-taker that converts textbook chapters, articles and YouTube videos into organized study notes
StageStartup Not given
Founded2026 Not given
Based inHK Not given
Pricing modelFreemium Freemium
PricingFree: 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: 1 summary with no account, then 10,000 words per month. Premium: $9.99/month or $49.99/year (500,000 words per month, PDFs, images, audio uploads, practice quizzes). Premium Plus: $24.99/month or $129.99/year (1,000,000 words per month, access to deep research).
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
  • Automatic note generation from text, articles and YouTube videos
  • Multiple note styles: standard notes, Cornell notes and outlines
  • PDF, image and audio file uploads
  • Practice quiz generation from notes
  • Word limit tracking and monthly resets
  • Follow-up questions on generated notes
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
  • First summary free with no account required
  • Saves hours on heavy reading assignments
  • Supports YouTube lectures and videos
  • Designed specifically for students with heavy reading loads
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check28 no change since last check
Trust Flow (Majestic)1111
Citation Flow (Majestic)1421
Referring domains (Majestic)46156

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