Altova DiffDog vs Guiffy
Altova DiffDog
altova.comGuiffy
guiffy.comSide by side
| Figure | Altova DiffDog | Guiffy |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| Plans published | 2 | 2 |
| Spec score · File Comparison Software | 8.3 (#4) | 7.7 (#18) |
| Spec score · Diff and Merge Tools | 8.3 (#4) | 7.8 (#14) |
| Trial | The trial unlocks all features for 30 days after the user requests an evaluation license, which is sent by email. | The downloads page offers free, fully enabled 21-day evaluations. |
Plans
Altova DiffDog
- DiffDog 2026 Professional Edition$189, paid once
- DiffDog 2026 Enterprise Edition$269, paid once
In their own words
Altova DiffDog
Altova DiffDog has no write-up on Specifiction yet; its figures are above.