Disk SpeedUp vs UltimateDefrag 6
| Disk SpeedUp | UltimateDefrag 6 | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Windows | Windows |
| Free plan | Yes | No |
| Drive types | both | both |
| Scheduled optimization | Yes | Yes |
| Automatic optimization | Yes | Yes |
| Boot-time optimization | Yes | Yes |
| Filesystem support | multi-filesystem | multi-filesystem |
| Paid from | — | 29.95 one-time |
Both are listed in Best Disk Defragmentation Software. On Freedom251, Disk SpeedUp scores higher on our published basis.