Best Dup Detector Alternatives in 2026
Updated
20 platforms from duplicate file finders ranked against Dup Detector on the same published basis.
- 1Dup Detector vs dupeGuru
- 2Dup Detector vs Folder Size
- 3Dup Detector vs AllDup
- 4Dup Detector vs Auslogics Driver Updater
- 5Dup Detector vs CloneSpy
- 6Dup Detector vs DoubleKiller
- 7Dup Detector vs Duplicate Cleaner
- 8Dup Detector vs Duplicate Files Fixer
- 9Dup Detector vs jdupes
- 10Dup Detector vs Anti-Twin
- 11Dup Detector vs Czkawka
- 12Dup Detector vs fclones
- 13Dup Detector vs fdupes
- 14Dup Detector vs rdfind
- 15Dup Detector vs rmlint
- 16Dup Detector vs Space Wizard
- 17Dup Detector vs EaseUS DupFiles Cleaner
- 18Dup Detector vs Wise Duplicate Finder
- 19Dup Detector vs dskDitto
- 20Dup Detector vs DUDE (DUplicates DEtector)
Dup Detector alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | dupeGuru | 6.0 | Free plan | Free | Linux, Mac, Windows |
| 2 | Folder Size | 6.0 | Free plan | $24.95/mo | Windows |
| 3 | AllDup | 5.9 | Free plan | Free | Windows |
| 4 | Auslogics Driver Updater | 5.9 | Free plan | Free | Windows |
| 5 | CloneSpy | 5.9 | Free plan | Free | Windows |
| 6 | DoubleKiller | 5.9 | Free plan | Free | Windows |
| 7 | Duplicate Cleaner | 5.9 | Free plan | Free | Windows |
| 8 | Duplicate Files Fixer | 5.9 | Free plan | €3/mo | Android, Mac, Windows |
| 9 | jdupes | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 10 | Anti-Twin | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 11 | Czkawka | 5.8 | Free plan | Free | Android, Linux, Mac, Windows |
| 12 | fclones | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 13 | fdupes | 5.8 | Free plan | Free | Linux |
| 14 | rdfind | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 15 | rmlint | 5.8 | Free plan | Free | Linux, Mac, self-hosted |
| 16 | Space Wizard | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 17 | EaseUS DupFiles Cleaner | 5.7 | Free plan | $5/mo | Windows |
| 18 | Wise Duplicate Finder | 5.7 | Free plan | $1/mo | Windows |
| 19 | dskDitto | 5.6 | No | — | Linux, Mac |
| 20 | DUDE (DUplicates DEtector) | 5.5 | No | — | Linux, Windows |
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Questions about Dup Detector alternatives
What is the best alternative to Dup Detector?
dupeGuru, number 1 in duplicate file finders with a score of 6.0 out of 10. The others here: Folder Size, AllDup, Auslogics Driver Updater and 16 more.
What is the best free alternative to Dup Detector?
dupeGuru 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 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.