Suikou AI vs Books Maker AI

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 Books Maker AI
Detail	Suikou AI	Books Maker AI
What it does	AI humanizer for multilingual writing with best-in-class Japanese support	Transform your ideas into bestsellers with artificial intelligence
Stage	Startup	Startup
Founded	2026	2026
Based in	HK	IT
Pricing model	Freemium	Freemium
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	Starter: Free (one-time trial). Pay as you go: €10 per top-up for approximately 350 pages with base model, 250 pages with premium model, or 100 pages with ultra model. Minimum top-up is €10, with larger multiples of €5 available (€15, €20, €35, €50, etc.).
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	Direct publishing to Amazon KDP, Apple Books, Google Play Books, and Kobo
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	Made-in-Italy startup with Italian language carefully curated compared to international competitors No subscription required - pay only for what you use with credits that never expire Complete creative control maintained throughout the process Authors retain 100% copyright and ownership of their books Accessible to users without writing experience or technical skills
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 no change since last check	7 −1 (down) since last check
Trust Flow (Majestic)	11	7
Citation Flow (Majestic)	14	18
Referring domains (Majestic)	46	9

8 details filled in for both companies.

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