Crossref Similarity Check vs Noplag
| Crossref Similarity Check | Noplag | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $9.99/mo |
| Open source | No | No |
| Platforms | Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | No | Yes |
| Web source matching | Yes | Yes |
| Academic source matching | Yes | Yes |
| Report export formats | ||
| API access | Yes | Yes |
| Paid from | — | 9.99 /mo |
| Supported languages | — | 5 languages |
| Word limit | — | 2,500 words |
| LMS integration | — | Yes |
Both are listed in Best Plagiarism Checkers. On Samsung Mobile US Press, Noplag scores higher on our published basis.