Turnitin Originality vs PlagiarismCheck.org

Turnitin Originality9.3Visit PlagiarismCheck.org8.7Visit

Higher score Turnitin Originality #2 in AI Plagiarism Checkers 9.3/10 Pricing on request ✓ 3 of 3 features Visit Turnitin

vs

PlagiarismCheck.org #6 in AI Plagiarism Checkers 8.7/10 Free plan Free plan✓ 1 of 3 features Visit site

• Turnitin Originality fits best

  Institutions needing AI and authorship safeguards

• PlagiarismCheck.org fits best

  Schools wanting free access and broad LMS coverage

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Side by side

Feature	Turnitin Originality 9.3/10 Visit ↗	PlagiarismCheck.org 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#2 in AI Plagiarism Checkers	#6 in AI Plagiarism Checkers
Best for	Institutions needing AI and authorship safeguards	Schools wanting free access and broad LMS coverage
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request	—
Free plan	Not checked yet	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Integrations	9 integrations	9 integrations
Features Turnitin Originality 3/3 · PlagiarismCheck.org 1/3
LMS integrations	✓ (best)	Not checked yet
API access	✓	✓
AI writing check	✓ (best)	Not checked yet
Specs
Source coverage	Web_academic_and_publisher	Not checked yet
Maximum document words	Not checked yet	Not checked yet
Supported file formats	DOC, DOCX, PDF, PPTX, PPSX, XLS, XLSX, PS, RTF, HTM, HTML, WPD, ODT, TXT, HWP, HWPX	Not checked yet
Report export	Pdf	Not checked yet
Our review
Pros	Detects AI writing, paraphrasing, and bypassing with percentage indicators. Connects with major LMS platforms, LTI, Microsoft Teams, and Google Classroom. Adds authorship, metadata, similarity, citation, and PDF report capabilities.	Checks web, scholarly, institutional, and other databases Detects rearrangements, synonym substitutions, and hidden characters Supports seven LMS integrations, PDF reports, API access, and authorship verification
Cons	Institutional subscriptions require contacting sales rather than choosing a public plan. The product is sold to educational institutions, not directly to individuals. Product details may vary by license and market.	Individual pricing uses multiple packages with different plan structures Advanced and Pro are oriented toward institutional accounts Its broad feature set may exceed the needs of basic checking workflows
Our verdict	Turnitin Originality is an institutional academic-integrity solution for educators and education providers. It combines similarity checking with AI-writing detection, AI paraphrasing and bypassing detection, authorship reports, submission… Read the review →	PlagiarismCheck.org is a browser-based plagiarism and AI detection service for students, educators, institutions, writers, and content creators. It compares submitted text with publicly available web resources, scholarly content,… Read the review →

Strengths and trade-offs

• Turnitin Originality — where it wins

  • Detects AI writing, paraphrasing, and bypassing with percentage indicators.
  • Connects with major LMS platforms, LTI, Microsoft Teams, and Google Classroom.
  • Adds authorship, metadata, similarity, citation, and PDF report capabilities.

  Where it doesn't

  • Institutional subscriptions require contacting sales rather than choosing a public plan.
  • The product is sold to educational institutions, not directly to individuals.
  • Product details may vary by license and market.

• PlagiarismCheck.org — where it wins

  • Checks web, scholarly, institutional, and other databases
  • Detects rearrangements, synonym substitutions, and hidden characters
  • Supports seven LMS integrations, PDF reports, API access, and authorship verification

  Where it doesn't

  • Individual pricing uses multiple packages with different plan structures
  • Advanced and Pro are oriented toward institutional accounts
  • Its broad feature set may exceed the needs of basic checking workflows

• Turnitin Originality9.3/10 · Pricing on request

  A broad institutional suite for AI writing, authorship, similarity, and citation review.

  Visit TurnitinFull verdict →
• PlagiarismCheck.org8.7/10 · Free plan

  A broad checker for academic sources, AI signals, authorship, reports, and LMS workflows.

  Visit siteFull verdict →