Best Turnitin AI Writing Detection Alternatives in 2026
Updated
20 platforms from plagiarism checkers ranked against Turnitin AI Writing Detection on the same published basis.
- 1Turnitin AI Writing Detection vs Noplag
- 2Turnitin AI Writing Detection vs PlagAware
- 3Turnitin AI Writing Detection vs Plagiarism Detector
- 4Turnitin AI Writing Detection vs Copyscape
- 5Turnitin AI Writing Detection vs Compilatio AI Detector
- 6Turnitin AI Writing Detection vs Quetext AI Detector
- 7Turnitin AI Writing Detection vs SmallSEOTools Plagiarism Checker
- 8Turnitin AI Writing Detection vs Copyleaks AI Detector
- 9Turnitin AI Writing Detection vs Crossref Similarity Check
- 10Turnitin AI Writing Detection vs Originality.ai
- 11Turnitin AI Writing Detection vs Plagiarism Checker X
- 12Turnitin AI Writing Detection vs PlagiarismSearch
- 13Turnitin AI Writing Detection vs Plagius
- 14Turnitin AI Writing Detection vs Dolos
- 15Turnitin AI Writing Detection vs Plagiarisma
- 16Turnitin AI Writing Detection vs PrePostSEO Plagiarism Checker
- 17Turnitin AI Writing Detection vs MOSS
- 18Turnitin AI Writing Detection vs JPlag
- 19Turnitin AI Writing Detection vs StrikePlagiarism
- 20Turnitin AI Writing Detection vs Smodin Plagiarism Checker
Turnitin AI Writing Detection alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Noplag | 8.0 | Free plan | $9.99/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | PlagAware | 7.7 | Free plan | €2.99/mo | API, Web |
| 3 | Plagiarism Detector | 7.7 | Free plan | Free | Web, Windows |
| 4 | Copyscape | 7.6 | Free plan | $4.95/mo | API, self-hosted, Web |
| 5 | Compilatio AI Detector | 7.1 | API, Web | ||
| 6 | Quetext AI Detector | 7.1 | Free plan | $7.99/mo | API, Browser, Web |
| 7 | SmallSEOTools Plagiarism Checker | 7.1 | Free plan | $7.84/mo | API, Browser, Web |
| 8 | Copyleaks AI Detector | 7.0 | $1.17/mo | API, Browser, Web | |
| 9 | Crossref Similarity Check | 7.0 | $3.33/mo | API, Web | |
| 10 | Originality.ai | 7.0 | Free plan | $12.95/mo | API, Browser, Web |
| 11 | Plagiarism Checker X | 7.0 | Free plan | Free | Windows |
| 12 | PlagiarismSearch | 7.0 | $27.95/mo | API, Browser, Web | |
| 13 | Plagius | 7.0 | No | $4.90/mo | Mac, Web, Windows |
| 14 | Dolos | 6.9 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 15 | Plagiarisma | 6.9 | Free plan | Free | Web, Windows |
| 16 | PrePostSEO Plagiarism Checker | 6.9 | $0.35/mo | Android, API, iOS, Mac, Web, Windows | |
| 17 | MOSS | 6.8 | Free plan | Free | Linux, Web |
| 18 | JPlag | 6.7 | Free plan | Free | API, Linux, self-hosted |
| 19 | StrikePlagiarism | 6.7 | No | API, self-hosted, Web | |
| 20 | Smodin Plagiarism Checker | 6.6 | $10/mo | Android, API, Browser, iOS, Web |
Make your platform an alternative to Turnitin AI Writing Detection
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Turnitin AI Writing Detection alternatives
What is the best alternative to Turnitin AI Writing Detection?
Noplag, number 1 in plagiarism checkers with a score of 8.0 out of 10. The others here: PlagAware, Plagiarism Detector, Copyscape and 16 more.
What is the best free alternative to Turnitin AI Writing Detection?
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 on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.