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Head-to-head · Plagiarism Checkers

StrikePlagiarism vs PlagiarismCheck.org

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score StrikePlagiarism #6 in Plagiarism Checkers 8.7/10 Paid ✓ 4 of 4 features Try StrikePlagiarism
PlagiarismCheck.org #8 in Plagiarism Checkers 8.5/10 Free plan Free plan✓ 4 of 4 features Visit site

StrikePlagiarism leads on 0 checks, PlagiarismCheck.org on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreStrikePlagiarism · 8.7/10
  • Free planonly PlagiarismCheck.org

StrikePlagiarism scores higher on our rubric for plagiarism checkers: 8.7 against 8.5 out of 10; our editors rank them #6 and #8.

PlagiarismCheck.org offers free plan; StrikePlagiarism doesn't.

StrikePlagiarism is the better fit for academic institutions needing broad, deep checking. PlagiarismCheck.org is the better fit for schools wanting affordable, feature-rich checking.

  • StrikePlagiarism fits best

    Academic institutions needing broad, deep checking

  • PlagiarismCheck.org fits best

    Schools wanting affordable, feature-rich checking

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 8.7/10 Visit ↗ PlagiarismCheck.org 8.5/10 Visit ↗
At a glance
Editor score 8.7 8.5
Ranking #6 in Plagiarism Checkers #8 in Plagiarism Checkers
Best for Academic institutions needing broad, deep checking Schools wanting affordable, feature-rich checking
Pricing model Paid Free plan + paid
Starting price €2.33/unit usage-based —
Free plan — ✓ (best)
Free trial — —
Deployment Cloud, Self-hosted Cloud, Browser extension
Platforms Web Web, Chrome extension
Integrations 7 integrations 9 integrations
Features StrikePlagiarism 4/4 · PlagiarismCheck.org 4/4
Web source matching ✓ ✓
Academic source matching ✓ ✓
API access ✓ ✓
LMS integration ✓ ✓
Specs
Supported languages Not checked yet Not checked yet
Word limit Not checked yet Not checked yet
Report export formats HTML, PDF PDF
Our review
Pros
  • Checks web, scholarly, academic, publisher, university, and partner sources
  • Adds paraphrase, translated-text, manipulation, and AI-content detection
  • Supports LMS integrations, assignment workflows, feedback, and REST API access
  • Checks web, scholarly, institutional, and public-resource content
  • Detects rearrangements, synonym substitutions, and hidden characters
  • Supports PDF reports, authorship verification, APIs, and major LMSs
Cons
  • Paid individual access is priced per token rather than per month
  • Additional checking services may increase the final price
  • Free-plan terms vary by region
  • Basic pricing is tied to 20-page usage
  • Individual plans use several pricing structures
  • Advanced and Pro institutional plans use quote-based pricing
Our verdict

StrikePlagiarism is a web-based academic integrity system for universities, schools, publishers, researchers, and individual authors. Its core function is similarity checking across open internet sources, scientific journals, academic…

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 →
  1. StrikePlagiarismPlagiarism Checkers 8.7Paid
  2. PlagiarismCheck.orgPlagiarism Checkers 8.5Free plan

Strengths and trade-offs

  • StrikePlagiarism — where it wins

    • Checks web, scholarly, academic, publisher, university, and partner sources
    • Adds paraphrase, translated-text, manipulation, and AI-content detection
    • Supports LMS integrations, assignment workflows, feedback, and REST API access

    Where it doesn't

    • Paid individual access is priced per token rather than per month
    • Additional checking services may increase the final price
    • Free-plan terms vary by region

  • PlagiarismCheck.org — where it wins

    • Checks web, scholarly, institutional, and public-resource content
    • Detects rearrangements, synonym substitutions, and hidden characters
    • Supports PDF reports, authorship verification, APIs, and major LMSs

    Where it doesn't

    • Basic pricing is tied to 20-page usage
    • Individual plans use several pricing structures
    • Advanced and Pro institutional plans use quote-based pricing
  • StrikePlagiarism8.7/10 · Paid

    A broad academic checker with deep source coverage, workflow tools, and API access.

    Try StrikePlagiarismFull verdict →
  • PlagiarismCheck.org8.5/10 · Free plan

    A flexible checker with academic matching, authorship verification, reports, APIs, and LMS integrations.

    Visit siteFull verdict →

More comparisons

All plagiarism checkers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update