Drive Sonar vs SpaceObServer
| Drive Sonar | SpaceObServer | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Windows |
| Desktop platforms | windows, macos, linux | windows |
| Treemap view | Yes | Yes |
| File-type breakdown | Yes | Yes |
| Scan scope | files_folders | files_folders |
| Free plan | — | No |
| External drive scans | — | Yes |
| Exportable reports | — | Yes |
Both are listed in Best Disk Space Analyzers. On Specifiction, SpaceObServer scores higher on our published basis.