Altova DiffDog vs DeltaWalker
Altova DiffDog
altova.com
DeltaWalker
deltawalker.comSide by side
| Figure | Altova DiffDog | DeltaWalker |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| Plans published | 2 | 3 |
| Spec score · File Comparison Software | 8.3 (#4) | 8.1 (#13) |
| Spec score · Diff and Merge Tools | 8.3 (#4) | 8.2 (#11) |
| Purpose | DiffDog compares and merges text and source-code files, XML and JSON files, Word documents, directories, and database schemas and content. | DeltaWalker compares, synchronizes, merges, automates, and analyzes files and folders. |
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.
DeltaWalker
DeltaWalker is desktop software for comparing, synchronizing, merging, automating, and analyzing files and folders on Linux, macOS, and Windows. Text comparison displays changes inline and supports editing, regular-expression find and replace, and syntax highlighting for close to 50 programming languages. Image comparison examines attributes and pixels; version 3 adds zoom, alignment, and inspection tools. Folder comparison identifies differences between hierarchies and can synchronize by copying, moving, or deleting files. File comparisons support read/write access over (S)FTP(S) and WebDAV, and read-only access over HTTP(S); folder comparisons support read/write access over (S)FTP(S) and WebDAV. Pro and Oro include three-way comparison and automatic merging of non-conflicting text changes. The maker documents integrations with Git, Mercurial, Bazaar, SVN, SourceTree, and Visual Studio, plus scripting and command-line automation. Standard costs $39.99, paid once for one platform, Pro costs $59.99, paid once for one platform, and Oro costs $89.99, paid once for all platforms. A 30-day trial is listed; there is no free plan.