Best Defragger Alternatives in 2026
Updated
20 tools from disk defragmentation software ranked against Defragger on the same published basis.
- 1Defragger vs IObit Uninstaller
- 2Defragger vs O&O AppBuster
- 3Defragger vs Auslogics Driver Updater
- 4Defragger vs DymaxIO
- 5Defragger vs Puran Defrag
- 6Defragger vs WinContig
- 7Defragger vs Disk SpeedUp
- 8Defragger vs DiskTuna
- 9Defragger vs Btrfsmaintenance
- 11Defragger vs e4defrag
- 12Defragger vs IObit Smart Defrag
- 13Defragger vs UltimateDefrag 6
- 14Defragger vs Defraginator
- 15Defragger vs FreeDOS Defrag
- 16Defragger vs Microsoft Quick Assist
- 17Defragger vs Shake
- 18Defragger vs xfs_fsr
- 19Defragger vs UltraDefrag
- 20Defragger vs O&O Defrag
- 21Defragger vs Windows Backup
Defragger 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 |
| 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 |
| 14 | Defraginator | 6.3 | No | — | Linux, Mac, Windows |
| 15 | FreeDOS Defrag | 6.3 | Free plan | Free | self-hosted |
| 16 | Microsoft Quick Assist | 6.3 | No | — | Mac, Web, Windows |
| 17 | Shake | 6.3 | No | — | Linux |
| 18 | xfs_fsr | 6.3 | Free plan | Free | Linux |
| 19 | UltraDefrag | 6.1 | No | — | Windows |
| 20 | O&O Defrag | 5.8 | No | — | Windows |
| 21 | Windows Backup | 5.8 | No | — | Windows |
Make your tool an alternative to Defragger
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Defragger alternatives
What is the best alternative to Defragger?
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 Defragger?
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.