Folder Size vs SpaceObServer
| Folder Size | SpaceObServer | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $24.95/mo | — |
| Open source | No | No |
| Platforms | Windows | Windows |
| Free plan | Yes | No |
| Paid from | $24.95one-time | — |
| Desktop platforms | windows | windows |
| External drive scans | Yes | Yes |
| Exportable reports | Yes | Yes |
| Scan scope | files_folders | files_folders |
| Treemap view | — | Yes |
| File-type breakdown | — | Yes |
Both are listed in Best Disk Space Analyzers. On Everything Xiaomi, Folder Size scores higher on our published basis.