Best RaDisk Alternatives in 2026
Updated
20 apps from disk space analyzers ranked against RaDisk on the same published basis.
- 1RaDisk vs WizTree
- 2RaDisk vs TreeSize
- 3RaDisk vs FolderSizes
- 4RaDisk vs SizeTrend
- 5RaDisk vs Disk Analyzer Pro
- 6RaDisk vs StorageRadar
- 7RaDisk vs Drive Atlas
- 8RaDisk vs Disk Auditor
- 9RaDisk vs LumaDisk
- 10RaDisk vs Filelight
- 11RaDisk vs SpaceMonger
- 12RaDisk vs DiskAtlas
- 13RaDisk vs Space Wizard
- 14RaDisk vs WinDirStat
- 15RaDisk vs eDirStat
- 16RaDisk vs Folder Size
- 17RaDisk vs gdu
- 18RaDisk vs SpaceObServer
- 19RaDisk vs Disk Usage Analyzer
- 20RaDisk vs QDirStat
RaDisk alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | WizTree | 9.2 | Free plan | $25/mo | Mac, Windows |
| 2 | TreeSize | 9.0 | Free plan | Free | Windows |
| 3 | FolderSizes | 8.8 | Free plan | Free | Windows |
| 4 | SizeTrend | 8.7 | Free plan | Free | Windows |
| 5 | Disk Analyzer Pro | 8.5 | Free plan | Free | Mac, Windows |
| 6 | StorageRadar | 8.4 | Free plan | $9.99/mo | Mac |
| 7 | Drive Atlas | 8.4 | Free plan | $20/mo | Linux, Windows |
| 8 | Disk Auditor | 8.2 | Free plan | Free | Windows |
| 9 | LumaDisk | 8.2 | Free plan | $6.89/mo | Mac, Windows |
| 10 | Filelight | 8.1 | No | — | Linux, Windows |
| 11 | SpaceMonger | 8.1 | No | — | Windows |
| 12 | DiskAtlas | 8.1 | Free plan | $5/mo | Mac |
| 13 | Space Wizard | 8.1 | Free plan | Free | Linux, Mac, Windows |
| 14 | WinDirStat | 8.0 | No | — | Windows |
| 15 | eDirStat | 8.0 | No | — | Linux, Mac, Windows |
| 16 | Folder Size | 8.0 | Free plan | $24.95/mo | Windows |
| 17 | gdu | 8.0 | Free plan | Free | Linux, Mac, Web, Windows |
| 18 | SpaceObServer | 7.8 | No | — | Windows |
| 19 | Disk Usage Analyzer | 7.8 | No | — | Linux |
| 20 | QDirStat | 7.8 | No | — | Linux, Mac |
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Questions about RaDisk alternatives
What is the best alternative to RaDisk?
WizTree, number 1 in disk space analyzers with a score of 9.2 out of 10. The others here: TreeSize, FolderSizes, SizeTrend and 16 more.
What is the best free alternative to RaDisk?
WizTree is the best-ranked alternative with a free plan. 13 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: documentation depth, a free tier and the platforms it runs on.