Best Altova DiffDog Alternatives in 2026
Updated
20 apps from file comparison software ranked against Altova DiffDog on the same published basis.
- 1Altova DiffDog vs Buddi
- 2Altova DiffDog vs Diffchecker
- 3Altova DiffDog vs Diffract
- 4Altova DiffDog vs Meld
- 5Altova DiffDog vs Code Compare
- 6Altova DiffDog vs WinMerge
- 7Altova DiffDog vs cwdiff
- 8Altova DiffDog vs NextDiff
- 9Altova DiffDog vs SmartSynchronize
- 10Altova DiffDog vs TkDiff
- 11Altova DiffDog vs Diff-Text
- 12Altova DiffDog vs P4Merge
- 13Altova DiffDog vs Beyond Compare
- 14Altova DiffDog vs Beyond Compare
- 15Altova DiffDog vs KDiff3
- 16Altova DiffDog vs Diffinity
- 17Altova DiffDog vs Kompare
- 18Altova DiffDog vs Mergely
- 19Altova DiffDog vs FolderMatch
- 20Altova DiffDog vs DeltaWalker
Altova DiffDog alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Buddi | 6.6 | Free plan | Free | Linux, Mac, Windows |
| 2 | Diffchecker | 6.6 | Free plan | $15/mo | Linux, Mac, Web, Windows |
| 3 | Diffract | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 4 | Meld | 6.5 | Free plan | Free | Linux, Windows |
| 5 | Code Compare | 6.4 | Free plan | Free | Browser, Windows |
| 6 | WinMerge | 6.4 | Free plan | Free | Windows |
| 7 | cwdiff | 6.3 | Free plan | Free | Linux |
| 8 | NextDiff | 6.3 | Free plan | Free | Windows |
| 9 | SmartSynchronize | 5.6 | No | — | Linux, Mac, Windows |
| 10 | TkDiff | 5.4 | No | — | Linux, Mac, Windows |
| 11 | Diff-Text | 5.3 | No | — | Web, Windows |
| 12 | P4Merge | 5.3 | No | — | Linux, Mac, Windows |
| 13 | Beyond Compare | 5.2 | No | — | Linux, Mac, Windows |
| 14 | Beyond Compare | 5.2 | No | — | Linux, Mac, Windows |
| 15 | KDiff3 | 5.2 | No | — | Windows, Mac, Linux |
| 16 | Diffinity | 5.1 | No | — | Windows |
| 17 | Kompare | 5.1 | No | — | Linux |
| 18 | Mergely | 5.1 | No | — | Web |
| 19 | FolderMatch | 5.0 | No | — | Windows |
| 20 | DeltaWalker | 4.9 | No | — | Windows, Mac, Linux |
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Questions about Altova DiffDog alternatives
What is the best alternative to Altova DiffDog?
Buddi, number 1 in file comparison software with a score of 6.6 out of 10. The others here: Diffchecker, Diffract, Meld and 16 more.
What is the best free alternative to Altova DiffDog?
Buddi is the best-ranked alternative with a free plan. 8 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.