Copyscape vs JPlag
| Copyscape | JPlag | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $4.95/mo | Free |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, Linux, macOS, self-hosted, Windows |
| Free plan | Yes | Yes |
| API access | Yes | Yes |
| AI detection | — | No |
| LMS integrations | — | No |
| Browser extension | — | No |
Both are listed in Best Plagiarism Detection Software. On Samsung Mobile US Press, Copyscape scores higher on our published basis.