| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Duplicate File Finders | 8.0 (#9) | 7.9 (#11) |
| Founded | 1999 | 2001 |
| Languages | The download page lists 25 interface languages. | The FAQ says only an English version is provided and translation to other languages is not planned for the near future. |
| Purpose | AllDup searches for and removes duplicate files by content, file properties, similar images, and music tracks. | CloneSpy detects and removes duplicate files to help free up hard drive space. |
| Support | AllDup support materials include online documentation, a support forum, and a technical support request form. | The site directs questions, comments, and suggestions to [email protected]. |
