Best KDiskFree Alternatives in 2026
Updated
20 platforms from disk space analyzers ranked against KDiskFree on the same published basis.
- 1KDiskFree vs TreeSize
- 2KDiskFree vs WizTree
- 3KDiskFree vs FolderSizes
- 4KDiskFree vs SizeTrend
- 5KDiskFree vs Disk Analyzer Pro
- 6KDiskFree vs StorageRadar
- 7KDiskFree vs Drive Atlas
- 8KDiskFree vs Disk Auditor
- 9KDiskFree vs DiskAtlas
- 10KDiskFree vs WinDirStat
- 11KDiskFree vs Filelight
- 12KDiskFree vs SpaceMonger
- 13KDiskFree vs LumaDisk
- 14KDiskFree vs Folder Size
- 15KDiskFree vs SpaceObServer
- 16KDiskFree vs Disk Usage Analyzer
- 17KDiskFree vs OmniDiskSweeper
- 18KDiskFree vs DiskSavvy
- 19KDiskFree vs eDirStat
- 20KDiskFree vs Space Wizard
KDiskFree 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, Web, Windows |
| 20 | Space Wizard | 6.6 | Free plan | Free | Linux, Mac, Windows |
Make your platform an alternative to KDiskFree
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about KDiskFree alternatives
What is the best alternative to KDiskFree?
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 KDiskFree?
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.