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Best Crossref Similarity Check Alternatives in 2026

12 platforms from plagiarism checkers ranked against Crossref Similarity Check on the same published basis.

  1. 1
    PlagiarismCheck.org apiextensionWeb 8.7
    Crossref Similarity Check vs PlagiarismCheck.org
  2. 2
    PlagiarismSearch Free trial apiextensionWeb $27.95/mo8.5
    Crossref Similarity Check vs PlagiarismSearch
  3. 3
    PlagAware Free plan apiWeb €2.99/mo8.4
    Crossref Similarity Check vs PlagAware
  4. 4
    Noplag Free plan apiLinuxMacself-hostedWeb $9.99/mo8.3
    Crossref Similarity Check vs Noplag
  5. 5
    Quetext AI Detector Free plan apiextensionWeb $7.99/mo8.2
    Crossref Similarity Check vs Quetext AI Detector
  6. 6
    Originality.ai Free plan apiextensionWeb $12.95/mo8.0
    Crossref Similarity Check vs Originality.ai
  7. 7
    Smodin Plagiarism Checker AndroidapiextensioniOSWeb $10/mo7.9
    Crossref Similarity Check vs Smodin Plagiarism Checker
  8. 8
    SmallSEOTools Plagiarism Checker Web 6.7
    Crossref Similarity Check vs SmallSEOTools Plagiarism Checker
  9. 9
    Turnitin AI Writing Detection Web 6.6
    Crossref Similarity Check vs Turnitin AI Writing Detection
  10. 10
    StrikePlagiarism Web 6.5
    Crossref Similarity Check vs StrikePlagiarism
  11. 12
    DrillBit Web 6.4
    Crossref Similarity Check vs DrillBit
  12. 13
    PrePostSEO Plagiarism Checker WebWinMaciOSAndroid 6.3
    Crossref Similarity Check vs PrePostSEO Plagiarism Checker
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