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Best Plagiarism Detector Alternatives in 2026

12 apps from plagiarism checkers ranked against Plagiarism Detector on the same published basis.

  1. 1
    Noplag Free plan apiLinuxMacself-hostedWeb $9.99/mo6.7
    Plagiarism Detector vs Noplag
  2. 2
    Originality.ai Free plan apiextensionWeb $12.95/mo6.4
    Plagiarism Detector vs Originality.ai
  3. 3
    PlagAware Free plan apiWeb €2.99/mo6.4
    Plagiarism Detector vs PlagAware
  4. 4
    Plagiarisma Free plan WebWin Free6.4
    Plagiarism Detector vs Plagiarisma
  5. 5
    Quetext AI Detector Free plan apiextensionWeb $7.99/mo6.4
    Plagiarism Detector vs Quetext AI Detector
  6. 6
    SmallSEOTools Plagiarism Checker Free plan apiextensionWeb $7.84/mo6.4
    Plagiarism Detector vs SmallSEOTools Plagiarism Checker
  7. 7
    PrePostSEO Plagiarism Checker AndroidapiiOSMacWeb $0.35/mo5.8
    Plagiarism Detector vs PrePostSEO Plagiarism Checker
  8. 8
    Smodin Plagiarism Checker AndroidapiextensioniOSWeb $10/mo5.6
    Plagiarism Detector vs Smodin Plagiarism Checker
  9. 9
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo5.5
    Plagiarism Detector vs Copyleaks AI Detector
  10. 10
    DupliChecker apiWeb $9.99/mo5.4
    Plagiarism Detector vs DupliChecker
  11. 11
    PlagiarismCheck.org apiextensionWeb 5.4
    Plagiarism Detector vs PlagiarismCheck.org
  12. 12
    PlagiarismSearch Free trial apiextensionWeb $27.95/mo5.4
    Plagiarism Detector vs PlagiarismSearch
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