AllDup vs DUDE (DUplicates DEtector)
| AllDup | DUDE (DUplicates DEtector) | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Windows | Windows, Linux |
| Free plan | Yes | Yes |
| Platform coverage | windows | cross-platform |
| Scan locations | local drives and storage media; network paths and shares; archive files including ZIP, RAR, and 7Z | Designated local folders and drives |
| Match methods | file content; image similarity; sound similarity; filename; file size; modification or creation date; file attributes; hard links; video or sound duration | SHA1 content hashing; image similarity detection |
| File preview | Yes | Yes |
| Automatic selection | Yes | — |
| Recycle Bin / Trash | Yes | Yes |
| Folder exclusions | Yes | Yes |
Both are listed in Best Duplicate File Finders. On Samsung Mobile US Press, AllDup scores higher on our published basis.