Best Plagiat.pl Alternatives in 2026
Updated
20 apps from plagiarism checkers ranked against Plagiat.pl on the same published basis.
- 1Plagiat.pl vs Noplag
- 2Plagiat.pl vs Dolos
- 3Plagiat.pl vs Plagiarism Detector
- 4Plagiat.pl vs Copyscape
- 5Plagiat.pl vs Crossref Similarity Check
- 6Plagiat.pl vs MOSS
- 7Plagiat.pl vs Originality.ai
- 8Plagiat.pl vs PlagAware
- 9Plagiat.pl vs Plagiarism Checker X
- 10Plagiat.pl vs Plagiarisma
- 11Plagiat.pl vs Quetext AI Detector
- 12Plagiat.pl vs SmallSEOTools Plagiarism Checker
- 13Plagiat.pl vs JPlag
- 14Plagiat.pl vs PrePostSEO Plagiarism Checker
- 15Plagiat.pl vs Smodin Plagiarism Checker
- 16Plagiat.pl vs Compilatio AI Detector
- 17Plagiat.pl vs Copyleaks AI Detector
- 18Plagiat.pl vs DupliChecker
- 19Plagiat.pl vs Plag
- 20Plagiat.pl vs PlagiarismCheck.org
Plagiat.pl alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Noplag | 6.7 | Free plan | $9.99/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | Dolos | 6.5 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 3 | Plagiarism Detector | 6.5 | Free plan | Free | Web, Windows |
| 4 | Copyscape | 6.4 | Free plan | $4.95/mo | API, self-hosted, Web |
| 5 | Crossref Similarity Check | 6.4 | $3.33/mo | API, Web | |
| 6 | MOSS | 6.4 | Free plan | Free | Linux, Web |
| 7 | Originality.ai | 6.4 | Free plan | $12.95/mo | API, Browser, Web |
| 8 | PlagAware | 6.4 | Free plan | €2.99/mo | API, Web |
| 9 | Plagiarism Checker X | 6.4 | Free plan | Free | Windows |
| 10 | Plagiarisma | 6.4 | Free plan | Free | Web, Windows |
| 11 | Quetext AI Detector | 6.4 | Free plan | $7.99/mo | API, Browser, Web |
| 12 | SmallSEOTools Plagiarism Checker | 6.4 | Free plan | $7.84/mo | API, Browser, Web |
| 13 | JPlag | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 14 | PrePostSEO Plagiarism Checker | 5.8 | $0.35/mo | Android, API, iOS, Mac, Web, Windows | |
| 15 | Smodin Plagiarism Checker | 5.6 | $10/mo | Android, API, Browser, iOS, Web | |
| 16 | Compilatio AI Detector | 5.5 | API, Web | ||
| 17 | Copyleaks AI Detector | 5.5 | $1.17/mo | API, Browser, Web | |
| 18 | DupliChecker | 5.4 | $9.99/mo | API, Web | |
| 19 | Plag | 5.4 | €14.95/mo | Web | |
| 20 | PlagiarismCheck.org | 5.4 | API, Browser, Web |
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Questions about Plagiat.pl alternatives
What is the best alternative to Plagiat.pl?
Noplag, number 1 in plagiarism checkers with a score of 6.7 out of 10. The others here: Dolos, Plagiarism Detector, Copyscape and 16 more.
What is the best free alternative to Plagiat.pl?
Noplag is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.




























