Best Dup Detector Alternatives in 2026
Updated
20 apps from duplicate file finders ranked against Dup Detector on the same published basis.
- 1Dup Detector vs Czkawka
- 2Dup Detector vs dupeGuru
- 3Dup Detector vs Anti-Twin
- 4Dup Detector vs Duplicate Files Fixer
- 5Dup Detector vs fclones
- 6Dup Detector vs jdupes
- 7Dup Detector vs rdfind
- 8Dup Detector vs Space Wizard
- 9Dup Detector vs AllDup
- 10Dup Detector vs Auslogics Driver Updater
- 11Dup Detector vs CloneSpy
- 12Dup Detector vs DoubleKiller
- 13Dup Detector vs Duplicate Cleaner
- 14Dup Detector vs Folder Size
- 15Dup Detector vs rmlint
- 16Dup Detector vs EaseUS DupFiles Cleaner
- 17Dup Detector vs fdupes
- 18Dup Detector vs Wise Duplicate Finder
- 19Dup Detector vs dskDitto
- 20Dup Detector vs DUDE (DUplicates DEtector)
Dup Detector alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Czkawka | 6.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | dupeGuru | 6.6 | Free plan | Free | Linux, Mac, Windows |
| 3 | Anti-Twin | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 4 | Duplicate Files Fixer | 6.5 | Free plan | €3/mo | Android, Mac, Windows |
| 5 | fclones | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | jdupes | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 7 | rdfind | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 8 | Space Wizard | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 9 | AllDup | 6.4 | Free plan | Free | Windows |
| 10 | Auslogics Driver Updater | 6.4 | Free plan | Free | Windows |
| 11 | CloneSpy | 6.4 | Free plan | Free | Windows |
| 12 | DoubleKiller | 6.4 | Free plan | Free | Windows |
| 13 | Duplicate Cleaner | 6.4 | Free plan | Free | Windows |
| 14 | Folder Size | 6.4 | Free plan | $24.95/mo | Windows |
| 15 | rmlint | 6.4 | Free plan | Free | Linux, Mac, self-hosted |
| 16 | EaseUS DupFiles Cleaner | 6.3 | Free plan | $5/mo | Windows |
| 17 | fdupes | 6.3 | Free plan | Free | Linux |
| 18 | Wise Duplicate Finder | 6.2 | Free plan | $1/mo | Windows |
| 19 | dskDitto | 5.5 | No | — | Linux, Mac |
| 20 | DUDE (DUplicates DEtector) | 5.5 | No | — | Linux, Windows |
Make your app an alternative to Dup Detector
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Dup Detector alternatives
What is the best alternative to Dup Detector?
Czkawka, number 1 in duplicate file finders with a score of 6.6 out of 10. The others here: dupeGuru, Anti-Twin, Duplicate Files Fixer and 16 more.
What is the best free alternative to Dup Detector?
Czkawka is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.