Best Defraginator Alternatives in 2026
Updated
20 tools from disk defragmentation software ranked against Defraginator on the same published basis.
- 1Defraginator vs IObit Uninstaller
- 2Defraginator vs O&O AppBuster
- 3Defraginator vs Auslogics Driver Updater
- 4Defraginator vs DymaxIO
- 5Defraginator vs Puran Defrag
- 6Defraginator vs WinContig
- 7Defraginator vs Disk SpeedUp
- 8Defraginator vs DiskTuna
- 9Defraginator vs Btrfsmaintenance
- 10Defraginator vs Defragger
- 11Defraginator vs e4defrag
- 12Defraginator vs IObit Smart Defrag
- 13Defraginator vs UltimateDefrag 6
- 15Defraginator vs Microsoft Quick Assist
- 16Defraginator vs UltraDefrag
- 17Defraginator vs Shake
- 18Defraginator vs O&O Defrag
- 19Defraginator vs Windows Backup
- 20Defraginator vs Autoruns
- 21Defraginator vs xfs_fsr
Defraginator alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | IObit Uninstaller | 7.1 | Free plan | $1.23/mo | Windows |
| 2 | O&O AppBuster | 6.7 | No | — | Windows |
| 3 | Auslogics Driver Updater | 6.6 | Free plan | Free | Windows |
| 4 | DymaxIO | 6.6 | No | $5.75/mo | Windows |
| 5 | Puran Defrag | 6.6 | Free plan | Free | Windows |
| 6 | WinContig | 6.6 | Free plan | Free | Windows |
| 7 | Disk SpeedUp | 6.5 | Free plan | Free | Windows |
| 8 | DiskTuna | 6.5 | No | — | Windows |
| 9 | Btrfsmaintenance | 6.4 | Free plan | Free | Linux, self-hosted |
| 10 | Defragger | 6.4 | Free plan | Free | Linux |
| 11 | e4defrag | 6.4 | Free plan | Free | Linux |
| 12 | IObit Smart Defrag | 6.4 | Free plan | $1.67/mo | Windows |
| 13 | UltimateDefrag 6 | 6.4 | No | — | Windows |
| 15 | Microsoft Quick Assist | 6.3 | No | — | Mac, Web, Windows |
| 16 | UltraDefrag | 6.1 | No | — | Windows |
| 17 | Shake | 6.0 | No | — | Linux |
| 18 | O&O Defrag | 5.8 | No | — | Windows |
| 19 | Windows Backup | 5.8 | No | — | Windows |
| 20 | Autoruns | 5.4 | No | — | — |
| 21 | xfs_fsr | 5.2 | Free plan | Free | Linux |
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Questions about Defraginator alternatives
What is the best alternative to Defraginator?
IObit Uninstaller, number 1 in disk defragmentation software with a score of 7.1 out of 10. The others here: O&O AppBuster, Auslogics Driver Updater, DymaxIO and 16 more.
What is the best free alternative to Defraginator?
IObit Uninstaller is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.