Altova DiffDog vs UltraCompare
| Altova DiffDog | UltraCompare | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows | Windows |
| Free plan | No | No |
| Three-way merge | Yes | Yes |
| Folder comparison | Yes | Yes |
Both are listed in Best File Comparison Software, Best Diff and Merge Tools. On Samsung Mobile US Press, UltraCompare scores higher on our published basis.