JPlag vs Viper
| JPlag | Viper | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | Web |
| Web source matching | No | — |
| Academic source matching | No | — |
| Report export formats | JPlag report (.jplag), CSV | — |
| API access | Yes | Yes |
| Free plan | — | No |
Both are listed in Best Plagiarism Checkers. On Samsung Mobile US Press, Viper scores higher on our published basis.