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知网查重 vs PaperYY
A factual side-by-side comparison of 知网查重 and PaperYY. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
知网查重 is Paid; PaperYY is Freemium. If you want to start free, check the free or freemium option first; otherwise compare the categories and taglines below.
| Pricing | Paid | Freemium |
|---|---|---|
| Categories | Plagiarism Check | Plagiarism Check |
| Best for | CNKI's official plagiarism check, the Chinese standard | Free daily plagiarism checks, popular with students |
| Free tier | No — paid only | Yes — free or freemium |
| Website | check.cnki.net | www.paperyy.com |