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Head-to-head · AI Plagiarism Checkers

StrikePlagiarism vs Turnitin Originality

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score StrikePlagiarism #1 in AI Plagiarism Checkers 9.4/10 Paid ✓ 1 of 3 features Try StrikePlagiarism
Turnitin Originality #2 in AI Plagiarism Checkers 9.3/10 Pricing on request ✓ 3 of 3 features Visit Turnitin

StrikePlagiarism leads on 0 checks, Turnitin Originality on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreStrikePlagiarism · 9.4/10
  • Most featuresTurnitin Originality · 3 of 3

StrikePlagiarism scores higher on our rubric for ai plagiarism checkers: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

StrikePlagiarism is the better fit for academic institutions needing broad originality checks. Turnitin Originality is the better fit for institutions needing AI and authorship safeguards.

  • StrikePlagiarism fits best

    Academic institutions needing broad originality checks

  • Turnitin Originality fits best

    Institutions needing AI and authorship safeguards

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature StrikePlagiarism 9.4/10 Visit ↗ Turnitin Originality 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in AI Plagiarism Checkers #2 in AI Plagiarism Checkers
Best for Academic institutions needing broad originality checks Institutions needing AI and authorship safeguards
Pricing model Paid Paid
Starting price €2.33/unit usage-based Pricing on request
Free plan — Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Web Web
Support Email, Phone, Tickets · 24/7 Email, Docs
Compliance GDPR, ISO 27001 SOC 2, GDPR
Integrations 7 integrations 9 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features StrikePlagiarism 1/3 · Turnitin Originality 3/3
LMS integrations Not checked yet ✓ (best)
API access ✓ ✓
AI writing check Not checked yet ✓ (best)
Specs
Source coverage Not checked yet Web_academic_and_publisher
Maximum document words Not checked yet Not checked yet
Supported file formats Not checked yet DOC, DOCX, PDF, PPTX, PPSX, XLS, XLSX, PS, RTF, HTM, HTML, WPD, ODT, TXT, HWP, HWPX
Report export Not checked yet Pdf
Our review
Pros
  • Checks web, journals, repositories, publishers, and academic databases
  • Adds AI, translation, paraphrase, and text-manipulation detection
  • Supports LMS integrations, assignment workflows, reports, and REST API access
  • 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.
Cons
  • Paid access starts at $2.5 per token rather than a monthly plan
  • Additional checking services may increase the final price
  • Free-plan terms may vary by region
  • 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.
Our verdict

StrikePlagiarism is a web-based academic integrity system for universities, schools, publishers, researchers, and individual authors. It compares documents with open internet sources, scientific journals, academic repositories, university…

Read the review →

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 →
  1. StrikePlagiarismAI Plagiarism Checkers 9.4Paid
  2. Turnitin OriginalityAI Plagiarism Checkers 9.3Pricing on request

Strengths and trade-offs

  • StrikePlagiarism — where it wins

    • Checks web, journals, repositories, publishers, and academic databases
    • Adds AI, translation, paraphrase, and text-manipulation detection
    • Supports LMS integrations, assignment workflows, reports, and REST API access

    Where it doesn't

    • Paid access starts at $2.5 per token rather than a monthly plan
    • Additional checking services may increase the final price
    • Free-plan terms may vary by region

  • 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.

More comparisons

All AI plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update