ALTERNATIVES

Best FreeCheck alternatives

AI tools that cover similar ground to FreeCheck, sorted by relevance. Use the table for a quick pricing and category check, then click through for details.

Updated 2026-10-22

Tool	Pricing	Categories	Best for
笔杆网	Freemium	Plagiarism Check / Paper Writing	Paper writing plus plagiarism check in one
知网查重	Paid	Plagiarism Check	CNKI's official plagiarism check, the Chinese standard
Copyleaks	Freemium	AI Detection / Plagiarism Check	Enterprise AI and plagiarism detection in one
Crossplag	Freemium	AI Detection / Plagiarism Check	European AI and plagiarism checker
格子达	Paid	Plagiarism Check	Similarity plus format checking for theses
iThenticate	Paid	Plagiarism Check / Research	Similarity check used by journal publishers
PaperFree	Freemium	Plagiarism Check	Free-quota Chinese paper checker
PaperPass	Freemium	Plagiarism Check	Veteran Chinese plagiarism checker for drafts

How we picked these alternatives

We only include tools that share at least one category with FreeCheck. Ordering is relevance-based, not paid: featured tools first, then the rest of the category.

Freemium

笔杆网

Plagiarism Check

Paper writing plus plagiarism check in one

Combines writing aids, checking and rewriting; often recommended by libraries.

Plagiarism CheckPaper Writing

Paid

知网查重

Plagiarism Check

CNKI's official plagiarism check, the Chinese standard

The official CNKI similarity check used by most Chinese universities.

Plagiarism Check

Freemium

Copyleaks

AI Detection

Enterprise AI and plagiarism detection in one

Combined AI and plagiarism engine with API access.

AI DetectionPlagiarism Check

Freemium

Crossplag

AI Detection

European AI and plagiarism checker

GDPR-minded AI and similarity checking for institutions.

AI DetectionPlagiarism Check

Paid

格子达

Plagiarism Check

Campus-facing system checking both similarity and thesis formatting.

Plagiarism Check

Paid

iThenticate

Plagiarism Check

The checker publishers use; standard before journal submission.

Plagiarism CheckResearch

Freemium

PaperFree

Plagiarism Check

Free-quota Chinese paper checker

Free checks on signup plus built-in rewriting help.

Plagiarism Check

Freemium

PaperPass

Plagiarism Check

Veteran Chinese plagiarism checker for drafts

One of China's oldest checkers, good for iterating on drafts.

Plagiarism Check

Freemium

PaperYY

Plagiarism Check

Free daily plagiarism checks, popular with students

Free daily check quota makes it a student staple.

Plagiarism Check

Paid

Turnitin

Plagiarism Check

The global standard in academic integrity checks

Used by institutions worldwide; now also flags AI-written text.

Plagiarism CheckEducation

Paid

万方检测

Plagiarism Check

Wanfang's own similarity check, budget-friendly for drafts.

Plagiarism Check

Paid

维普论文检测

Plagiarism Check

CQVIP's official plagiarism detection

CQVIP's official checker, designated by many institutions.

Plagiarism Check

Freemium

PaperBye

Plagiarism Check

PaperBye — Plagiarism Check powered by AI

PaperBye focuses on paper writing in the Plagiarism Check space. See the official website for current capabilities and availability.

Plagiarism CheckPaper Writing

Freemium

茅茅虫AIGC检测

AI Detection

茅茅虫AIGC检测 — AI Detection for generation

茅茅虫AIGC检测 focuses on generation in the AI Detection space. See the official website for current capabilities and availability.

AI DetectionPlagiarism Check

Free

66论文写作

Writing

66论文写作: AI Writing tool

66论文写作 is a AI Writing product. Its main use cases include paper writing. Visit the official site for the latest plans.

WritingPaper Writing

Freemium

PaperPro

Plagiarism Check

PaperPro — AI Plagiarism Check and paper writing

PaperPro is an AI Plagiarism Check tool for paper writing. It is listed in our Plagiarism Check directory; check the official site for current features and pricing.

Plagiarism CheckPaper Writing

Freemium

PaperWord

Plagiarism Check

PaperWord: AI Plagiarism Check tool

PaperWord is a AI Plagiarism Check product. Its main use cases include paper writing, plagiarism checking. Visit the official site for the latest plans.

Plagiarism CheckPaper Writing

Paid

速降通

Paper Writing

速降通 — Paper Writing powered by AI

速降通 is a AI Paper Writing product. Its main use cases include plagiarism checking. Visit the official site for the latest plans.

Paper WritingPlagiarism Check

Freemium

蝌蚪论文查重

Plagiarism Check

蝌蚪论文查重: AI Plagiarism Check tool

蝌蚪论文查重 is a AI Plagiarism Check product. Its main use cases include paper writing. Visit the official site for the latest plans.

Plagiarism CheckPaper Writing

Freemium

FreeDetect

Productivity

FreeDetect: AI Productivity tool

FreeDetect is an AI Productivity tool. The listing highlights plagiarism checking, paraphrasing, paper writing; features and pricing may change, so verify on the official site.

ProductivityPaper Writing

Paid

维普

Paper Writing

维普 — AI Paper Writing for plagiarism checking

维普 is an AI Paper Writing tool for plagiarism checking. It is listed in our Paper Writing directory; check the official site for current features and pricing.

Paper WritingPlagiarism Check

Free

标书对比王

Productivity

标书对比王: AI Productivity powered by AI

标书对比王 is a AI Productivity product. Visit the official website for the latest capabilities and plans.

ProductivityWriting

Paid

熊猫论文

Writing

熊猫论文: AI Writing tool

熊猫论文 is an AI Writing tool for paraphrasing, plagiarism checking, polishing. It is listed in our Writing directory; check the official site for current features and pricing.

WritingPaper Writing

Freemium

超星大雅

Plagiarism Check

超星大雅 — AI Plagiarism Check for paper writing

超星大雅 is a AI Plagiarism Check product. Its main use cases include paper writing. Visit the official site for the latest plans.

Plagiarism CheckPaper Writing

More alternatives (76)

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