Copyscape vs Crossref Similarity Check
| Copyscape | Crossref Similarity Check | |
|---|---|---|
| Free plan | Yes | |
| Free trial | Yes | |
| Paid from | $4.95/mo | $3.33/mo |
| Platforms | api, self-hosted, Web | api, Web |
| Free plan | Yes | No |
| Web source matching | Yes | Yes |
| Report export formats | JSON, XML, HTML | |
| API access | Yes | Yes |
| Academic source matching | Yes |
Listed together in Best Plagiarism Checkers