Best SquirrelDisk Alternatives in 2026
Updated
20 platforms from disk space analyzers ranked against SquirrelDisk on the same published basis.
- 1SquirrelDisk vs TreeSize
- 2SquirrelDisk vs WizTree
- 3SquirrelDisk vs FolderSizes
- 4SquirrelDisk vs SizeTrend
- 5SquirrelDisk vs Disk Analyzer Pro
- 6SquirrelDisk vs StorageRadar
- 7SquirrelDisk vs Drive Atlas
- 8SquirrelDisk vs Disk Auditor
- 9SquirrelDisk vs DiskAtlas
- 10SquirrelDisk vs WinDirStat
- 11SquirrelDisk vs Filelight
- 12SquirrelDisk vs SpaceMonger
- 13SquirrelDisk vs LumaDisk
- 14SquirrelDisk vs Folder Size
- 15SquirrelDisk vs SpaceObServer
- 16SquirrelDisk vs Disk Usage Analyzer
- 17SquirrelDisk vs OmniDiskSweeper
- 18SquirrelDisk vs DiskSavvy
- 19SquirrelDisk vs eDirStat
- 20SquirrelDisk vs Space Wizard
SquirrelDisk alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | TreeSize | 7.5 | Free plan | Free | Windows |
| 2 | WizTree | 7.5 | Free plan | $25/mo | Mac, Windows |
| 3 | FolderSizes | 7.4 | Free plan | Free | Windows |
| 4 | SizeTrend | 7.3 | Free plan | Free | Windows |
| 5 | Disk Analyzer Pro | 7.1 | Free plan | Free | Mac, Windows |
| 6 | StorageRadar | 7.0 | Free plan | $9.99/mo | Mac |
| 7 | Drive Atlas | 7.0 | Free plan | $20/mo | Linux, Windows |
| 8 | Disk Auditor | 6.9 | Free plan | Free | Windows |
| 9 | DiskAtlas | 6.9 | Free plan | $5/mo | Mac |
| 10 | WinDirStat | 6.8 | No | — | Windows |
| 11 | Filelight | 6.8 | No | — | Linux, Windows |
| 12 | SpaceMonger | 6.8 | No | — | Windows |
| 13 | LumaDisk | 6.8 | Free plan | $6.89/mo | Mac, Windows |
| 14 | Folder Size | 6.8 | Free plan | $24.95/mo | Windows |
| 15 | SpaceObServer | 6.7 | No | — | Windows |
| 16 | Disk Usage Analyzer | 6.7 | No | — | Linux |
| 17 | OmniDiskSweeper | 6.6 | No | — | Mac |
| 18 | DiskSavvy | 6.6 | No | — | Windows |
| 19 | eDirStat | 6.6 | No | — | Linux, Mac, Windows |
| 20 | Space Wizard | 6.6 | Free plan | Free | Linux, Mac, Windows |
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Questions about SquirrelDisk alternatives
What is the best alternative to SquirrelDisk?
TreeSize, number 1 in disk space analyzers with a score of 7.5 out of 10. The others here: WizTree, FolderSizes, SizeTrend and 16 more.
What is the best free alternative to SquirrelDisk?
TreeSize 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 on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.