Doppel vs rdfind
| Doppel | rdfind | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS | Linux, macOS, Windows |
| Platform coverage | macos | cross-platform |
| Scan locations | User-selected folders and nested subfolders | Directories and individual files supplied as command-line arguments |
| Match methods | File size, SHA-256, byte-by-byte comparison, filename, media duration, file kind, and file extension | File size; first bytes; last bytes; checksum; inode and device identity handling |
| File preview | Yes | — |
| Automatic selection | Yes | Yes |
| Recycle Bin / Trash | Yes | No |
| Free plan | — | Yes |
Both are listed in Best Duplicate File Finders. On Everything Xiaomi, rdfind scores higher on our published basis.