Doppel vs DUDE (DUplicates DEtector)
| Doppel | DUDE (DUplicates DEtector) | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS | Windows, Linux |
| Platform coverage | macos | cross-platform |
| Scan locations | User-selected folders and nested subfolders | Designated local folders and drives |
| Match methods | File size, SHA-256, byte-by-byte comparison, filename, media duration, file kind, and file extension | SHA1 content hashing; image similarity detection |
| File preview | Yes | Yes |
| Automatic selection | Yes | — |
| Recycle Bin / Trash | Yes | Yes |
| Free plan | — | Yes |
| Folder exclusions | — | Yes |
Both are listed in Best Duplicate File Finders. On Samsung Mobile US Press, Doppel scores higher on our published basis.