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