Altova DiffDog
6.3#6 in database schema comparison tools$189 one-timeWindows
VisitAltova DiffDog vs Skeema
What both publish
| Fact | Altova DiffDog | Skeema |
|---|---|---|
| Founded | 1992 | 2016 |
| Headquarters | Vienna, Austria; Marblehead, Massachusetts, United States | Northern New Jersey, United States |
| Intended users | Altova describes DiffDog as a technical diff/merge tool for developers and IT professionals. | Skeema Community is described as free open-source software, while Premium Plus is positioned for startups and smaller teams and Max for larger organizations. |
| Maker history | Altova says it was founded in 1992 and is headquartered in Beverly, Massachusetts, and Vienna, Austria. | The Skeema CLI was initially released in 2016, and its creator Evan Elias independently created the tool to bring declarative schema management to MySQL and MariaDB. |
| Purpose | DiffDog compares and merges text and source-code files, XML and JSON files, Word documents, directories, and database schemas and content. | Skeema is a declarative SQL-based schema management utility that applies changes expressed as CREATE statements in a repository to MySQL and MariaDB tables and routines. |
Altova DiffDog plans
- DiffDog 2026 Professional Edition$189, paid once
- DiffDog 2026 Enterprise Edition$269, paid once
Skeema plans
- CommunityFree
- Plus$124 a month
- Max$499 a month
- Skeema Cloud Linter$649 a year
- Plus$1,238 a year
- Max$4,988 a year
Pick Altova DiffDog if…
It is aimed at developers and IT professionals comparing or merging files, folders, and database content. Enterprise Edition may suit those who need three-way comparisons or database change scripts.
Pick Skeema if…
Skeema suits teams managing MySQL or MariaDB schema changes through SQL files and repository workflows. Its sharding and drift features may be useful where schemas span multiple servers or databases.