SpaceObServer vs SpareDisk
| SpaceObServer | SpareDisk | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $4.99/mo |
| Open source | No | No |
| Platforms | Windows | macOS |
| Free plan | No | No |
| Desktop platforms | windows | macos |
| Treemap view | Yes | Yes |
| File-type breakdown | Yes | Yes |
| External drive scans | Yes | Yes |
| Exportable reports | Yes | — |
| Scan scope | files_folders | files_folders_apps |
| Paid from | — | $4.99one-time |
| Application sizes | — | Yes |
Both are listed in Best Disk Space Analyzers. On Everything Xiaomi, SpaceObServer scores higher on our published basis.