| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| macOS | Yes | Yes |
| Linux | Yes | — |
| Plans published | 1 | 2 |
| Spec score · Disk Space Analyzers | 8.6 (#9) | 7.8 (#58) |
| Free plan | Yes | Yes |
| Network behavior | ccdu makes no network connections itself; remote operation uses the SSH process the user requested. | The privacy policy says scanning makes no network requests and update checks fetch a static appcast file from the maker's site. |
| Desktop platforms | linux,macos | macos |
| Purpose | ccdu is a terminal disk-usage analyzer that stages file deletions and moves for review before committing them. | OpenDisk analyzes Mac disk usage and displays the drive as an interactive sunburst chart. |
| Scan scope | files_folders | files_folders |
| Support | The maker invites bug reports and contributions through GitHub issues and requests private reports for vulnerabilities. | Email support is offered for questions and problems, and the maker says it usually replies within a couple of days. |