Doppel vs DoubleKiller
| Doppel | DoubleKiller | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS | Windows |
| Platform coverage | macos | windows |
| Scan locations | User-selected folders and nested subfolders | Directories, complete drives, network computers; Pro also supports ZIP archives and catalog files |
| Match methods | File size, SHA-256, byte-by-byte comparison, filename, media duration, file kind, and file extension | File name, file size, modification date, content, CRC32 fingerprint, and byte-per-byte comparison in Pro |
| File preview | Yes | — |
| Automatic selection | Yes | Yes |
| Recycle Bin / Trash | Yes | No |
| Free plan | — | Yes |
| Paid from | — | 19.95 one-time |
| Folder exclusions | — | No |
Both are listed in Best Duplicate File Finders. On Samsung Mobile US Press, DoubleKiller scores higher on our published basis.