| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 5 | 1 |
| Spec score · Disk Space Analyzers | 8.1 (#36) | 8.2 (#34) |
| Spec score · Disk Cleanup Software | 8.0 (#10) | 8.3 (#6) |
| Exportable reports | Yes | Yes |
| File-type breakdown | Yes | No |
| License | A single product license covers one physical or virtual host, and support and product updates are provided for 1, 3, 5, or 7 years depending on the license. | The software is distributed under the MIT license. |
| Desktop platforms | Windows | The maker lists Linux static binaries and packages for Linux, BSD, AIX, Solaris, macOS, and other systems, plus a Windows binary from another site. |
| Purpose | DiskSavvy analyzes disk space on local disks, network shares, NAS devices, and enterprise storage systems. | ncdu is a text-mode disk usage analyzer designed to find space hogs, including on remote servers without a graphical setup. |
| Scan scope | files_folders | files_folders |
| Support | The maker says support requests are typically answered within 24 hours and bugs in freeware and commercial editions are resolved as quickly as possible. | The maintainer welcomes bug reports by issue tracker or email but makes no promise to act on feedback or fix every bug. |