e4defrag vs UltraDefrag
| e4defrag | UltraDefrag | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux | Windows |
| Filesystem support | multi-filesystem | multi-filesystem |
| Free plan | — | No |
| Drive types | — | both |
| Scheduled optimization | — | Yes |
| Automatic optimization | — | Yes |
| Boot-time optimization | — | Yes |
Both are listed in Best Disk Defragmentation Software. On Specifiction, e4defrag scores higher on our published basis.