Best SpaceSniffer Alternatives in 2026
Updated
20 apps from disk space analyzers ranked against SpaceSniffer on the same published basis.
- 1SpaceSniffer vs WizTree
- 2SpaceSniffer vs TreeSize
- 3SpaceSniffer vs FolderSizes
- 4SpaceSniffer vs SizeTrend
- 5SpaceSniffer vs Disk Analyzer Pro
- 6SpaceSniffer vs eDirStat
- 7SpaceSniffer vs StorageRadar
- 8SpaceSniffer vs Drive Atlas
- 9SpaceSniffer vs Disk Auditor
- 10SpaceSniffer vs LumaDisk
- 11SpaceSniffer vs Filelight
- 12SpaceSniffer vs SpaceMonger
- 13SpaceSniffer vs DiskAtlas
- 14SpaceSniffer vs Space Wizard
- 15SpaceSniffer vs WinDirStat
- 16SpaceSniffer vs Folder Size
- 17SpaceSniffer vs gdu
- 18SpaceSniffer vs OverClean
- 19SpaceSniffer vs SpaceObServer
- 20SpaceSniffer vs Disk Usage Analyzer
SpaceSniffer 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 | eDirStat | 8.4 | No | — | Linux, Mac, Web, Windows |
| 7 | StorageRadar | 8.4 | Free plan | $9.99/mo | Mac |
| 8 | Drive Atlas | 8.4 | Free plan | $20/mo | Linux, Windows |
| 9 | Disk Auditor | 8.2 | Free plan | Free | Windows |
| 10 | LumaDisk | 8.2 | Free plan | $6.89/mo | Mac, Windows |
| 11 | Filelight | 8.1 | No | — | Linux, Windows |
| 12 | SpaceMonger | 8.1 | No | — | Windows |
| 13 | DiskAtlas | 8.1 | Free plan | $5/mo | Mac |
| 14 | Space Wizard | 8.1 | Free plan | Free | Linux, Mac, Windows |
| 15 | WinDirStat | 8.0 | No | — | Windows |
| 16 | Folder Size | 8.0 | Free plan | $24.95/mo | Windows |
| 17 | gdu | 8.0 | Free plan | Free | Linux, Mac, Web, Windows |
| 18 | OverClean | 7.9 | Free plan | $9.99/mo | Mac |
| 19 | SpaceObServer | 7.8 | No | — | Windows |
| 20 | Disk Usage Analyzer | 7.8 | No | — | Linux |
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Questions about SpaceSniffer alternatives
What is the best alternative to SpaceSniffer?
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 SpaceSniffer?
WizTree is the best-ranked alternative with a free plan. 14 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.