Best UltraDefrag Alternatives in 2026
Updated
20 apps from disk defragmentation software ranked against UltraDefrag on the same published basis.
- 1UltraDefrag vs IObit Uninstaller
- 2UltraDefrag vs Auslogics Driver Updater
- 3UltraDefrag vs Btrfsmaintenance
- 4UltraDefrag vs Disk SpeedUp
- 5UltraDefrag vs e4defrag
- 6UltraDefrag vs Puran Defrag
- 7UltraDefrag vs WinContig
- 8UltraDefrag vs Defragger
- 9UltraDefrag vs FreeDOS Defrag
- 10UltraDefrag vs IObit Smart Defrag
- 11UltraDefrag vs xfs_fsr
- 12UltraDefrag vs Defraginator
- 13UltraDefrag vs Microsoft Quick Assist
- 14UltraDefrag vs O&O AppBuster
- 15UltraDefrag vs DiskTuna
- 16UltraDefrag vs Shake
- 17UltraDefrag vs Windows Backup
- 18UltraDefrag vs Autoruns
- 19UltraDefrag vs DymaxIO
- 20UltraDefrag vs UltimateDefrag 6
UltraDefrag alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | IObit Uninstaller | 6.4 | Free plan | $1.23/mo | Windows |
| 2 | Auslogics Driver Updater | 6.3 | Free plan | Free | Windows |
| 3 | Btrfsmaintenance | 6.3 | Free plan | Free | Linux, self-hosted |
| 4 | Disk SpeedUp | 6.3 | Free plan | Free | Windows |
| 5 | e4defrag | 6.3 | Free plan | Free | Linux |
| 6 | Puran Defrag | 6.3 | Free plan | Free | Windows |
| 7 | WinContig | 6.3 | Free plan | Free | Windows |
| 8 | Defragger | 6.2 | Free plan | Free | Linux |
| 9 | FreeDOS Defrag | 6.2 | Free plan | Free | self-hosted |
| 10 | IObit Smart Defrag | 6.2 | Free plan | $1.67/mo | Windows |
| 11 | xfs_fsr | 6.2 | Free plan | Free | Linux |
| 12 | Defraginator | 5.4 | No | — | Linux, Mac, Windows |
| 13 | Microsoft Quick Assist | 5.4 | Free plan | Free | Mac, Web, Windows |
| 14 | O&O AppBuster | 5.4 | No | — | Windows |
| 15 | DiskTuna | 5.3 | No | — | Windows |
| 16 | Shake | 5.3 | No | — | Linux |
| 17 | Windows Backup | 5.2 | No | — | Windows |
| 18 | Autoruns | 5.0 | No | — | — |
| 19 | DymaxIO | 5.0 | No | $5.75/mo | Windows |
| 20 | UltimateDefrag 6 | 4.9 | No | — | Windows |
Make your app an alternative to UltraDefrag
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about UltraDefrag alternatives
What is the best alternative to UltraDefrag?
IObit Uninstaller, number 1 in disk defragmentation software with a score of 6.4 out of 10. The others here: Auslogics Driver Updater, Btrfsmaintenance, Disk SpeedUp and 16 more.
What is the best free alternative to UltraDefrag?
IObit Uninstaller is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.