AllDup vs Doppel
| AllDup | Doppel | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Windows | macOS |
| Free plan | Yes | — |
| Platform coverage | windows | macos |
| Scan locations | local drives and storage media; network paths and shares; archive files including ZIP, RAR, and 7Z | User-selected folders and nested subfolders |
| Match methods | file content; image similarity; sound similarity; filename; file size; modification or creation date; file attributes; hard links; video or sound duration | File size, SHA-256, byte-by-byte comparison, filename, media duration, file kind, and file extension |
| File preview | Yes | Yes |
| Automatic selection | Yes | Yes |
| Recycle Bin / Trash | Yes | Yes |
| Folder exclusions | Yes | — |
Both are listed in Best Duplicate File Finders. On Everything Xiaomi, AllDup scores higher on our published basis.