Best ncdu Alternatives in 2026

20 platforms from disk space analyzers ranked against ncdu on the same published basis.

  1. 1ncdu vs TreeSize
  2. 2ncdu vs WizTree
  3. 3ncdu vs LumaDisk
  4. 4ncdu vs FolderSizes
  5. 5ncdu vs SizeTrend
  6. 6ncdu vs SpaceMonger
  7. 7ncdu vs Disk Analyzer Pro
  8. 8ncdu vs StorageRadar
  9. 9ncdu vs DiskAtlas
  10. 10ncdu vs Disk Auditor
  11. 11ncdu vs Drive Atlas
  12. 12ncdu vs Space Wizard
  13. 13ncdu vs eDirStat
  14. 14ncdu vs Folder Size
  15. 15ncdu vs Filelight
  16. 16ncdu vs SpaceMap
  17. 17ncdu vs gdu
  18. 18ncdu vs WinDirStat
  19. 19ncdu vs OverClean
  20. 20ncdu vs Disk Usage Analyzer

ncdu alternatives compared

#PlatformScoreFree planFromRuns on
1TreeSize9.2Free planFreeWindows
2WizTree8.8Free plan$25/moMac, Windows
3LumaDisk8.6Free plan$6.89/moMac, Windows
4FolderSizes8.5Free planFreeWindows
5SizeTrend8.4Free planFreeWindows
6SpaceMonger8.2No—Windows
7Disk Analyzer Pro8.2Free planFreeMac, Windows
8StorageRadar8.1Free plan$9.99/moMac
9DiskAtlas8.0Free plan$5/moMac
10Disk Auditor7.9Free planFreeWindows
11Drive Atlas7.9Free plan$20/moLinux, Windows
12Space Wizard7.9Free planFreeLinux, Mac, Windows
13eDirStat7.7No—Linux, Mac, Web, Windows
14Folder Size7.7Free plan$24.95/moWindows
15Filelight7.6No—Linux, Windows
16SpaceMap7.6Free planFreeMac
17gdu7.6Free planFreeLinux, Mac, Web, Windows
18WinDirStat7.5No—Windows
19OverClean7.5Free plan$9.99/moMac
20Disk Usage Analyzer7.4Free planFreeLinux
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Questions about ncdu alternatives

What is the best alternative to ncdu?

TreeSize, number 1 in disk space analyzers with a score of 9.2 out of 10. The others here: WizTree, LumaDisk, FolderSizes and 16 more.

What is the best free alternative to ncdu?

TreeSize is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.