Best Duc Alternatives in 2026
Updated
20 apps from disk space analyzers ranked against Duc on the same published basis.
- 1Duc vs TreeSize
- 2Duc vs FolderSizes
- 3Duc vs WizTree
- 4Duc vs StorageRadar
- 5Duc vs SizeTrend
- 6Duc vs Folder Size
- 7Duc vs Disk Auditor
- 8Duc vs DiskAtlas
- 9Duc vs LumaDisk
- 10Duc vs Space Wizard
- 11Duc vs winTrim
- 12Duc vs QDirStat
- 13Duc vs gdu
- 14Duc vs DiskMapper
- 15Duc vs SpaceObServer
- 16Duc vs DiskSavvy
- 17Duc vs Capacitra
- 18Duc vs Flare Scan
- 19Duc vs eDirStat
- 20Duc vs DiskTree
Duc alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | TreeSize | 8.2 | Free plan | Free | Windows |
| 2 | FolderSizes | 8.2 | Free plan | Free | Windows |
| 3 | WizTree | 8.2 | Free plan | $25/mo | Mac, Windows |
| 4 | StorageRadar | 7.8 | Free plan | $9.99/mo | Mac |
| 5 | SizeTrend | 7.8 | Free plan | Free | Windows |
| 6 | Folder Size | 7.7 | Free plan | $24.95/mo | Windows |
| 7 | Disk Auditor | 7.6 | Free plan | Free | Windows |
| 8 | DiskAtlas | 7.6 | Free plan | $5/mo | Mac |
| 9 | LumaDisk | 7.6 | Free plan | $6.89/mo | Mac, Windows |
| 10 | Space Wizard | 7.4 | Free plan | Free | Linux, Mac, Windows |
| 11 | winTrim | 7.3 | Free plan | Free | Linux, Mac, Windows |
| 12 | QDirStat | 7.2 | No | — | Linux, Mac |
| 13 | gdu | 7.2 | No | — | Linux, Mac, Windows |
| 14 | DiskMapper | 7.2 | Free plan | Free | Mac |
| 15 | SpaceObServer | 7.1 | No | — | Windows |
| 16 | DiskSavvy | 7.1 | No | — | Windows |
| 17 | Capacitra | 7.1 | No | — | Windows |
| 18 | Flare Scan | 7.0 | No | — | Mac |
| 19 | eDirStat | 7.0 | No | — | Linux, Mac, Windows |
| 20 | DiskTree | 7.0 | Free plan | $1.25/mo | Mac |
Make your app an alternative to Duc
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Duc alternatives
What is the best alternative to Duc?
TreeSize, number 1 in disk space analyzers with a score of 8.2 out of 10. The others here: FolderSizes, WizTree, StorageRadar and 16 more.
What is the best free alternative to Duc?
TreeSize 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.