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知网查重 vs 论文卫士
A factual side-by-side comparison of 知网查重 and 论文卫士. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
知网查重 is Paid; 论文卫士 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 / Paper Writing |
| Best for | CNKI's official plagiarism check, the Chinese standard | 论文卫士 — AI Plagiarism Check for paper writing |
| Free tier | No — paid only | Yes — free or freemium |
| Website | check.cnki.net | lunwenweishi.com |