Saturday, October 24, 2026 4,350 lists 78,096 records on file
List your app or device

  1. Home
  2. Database Schema Comparison Tools
  3. Altova DiffDog

Altova DiffDog

Vienna, Austria; Marblehead, Massachusetts, United States

Plans and prices

DiffDog 2026 Professional Edition

$189one-time

Text files, folders and directories · XML-aware comparison options

DiffDog 2026 Enterprise Edition

$269one-time

Professional features · Microsoft Word, XML Schema, CSV and database content/schema comparison

Every plan, in full

On the record

Automation integration
DiffDog Server can automate high-volume comparisons and generate reports for files, directories, and URLs.altova.com · read 8 Oct 2026
Database changes
Enterprise Edition compares database schemas and table contents, including across database types, and generates SQL change scripts for merging differences.altova.com · read 8 Oct 2026
Database integrations
The product lists support for Firebird, DB2, Informix, MariaDB, Access, Azure SQL, SQL Server, MySQL, Oracle, PostgreSQL, Progress OpenEdge, SQLite, Sybase ASE, and Teradata.altova.com · read 8 Oct 2026
Download platform
Altova provides a self-contained DiffDog installer with operating-system selection on its download page.altova.com · read 8 Oct 2026
File merging
It supports bidirectional merging, direct editing of compared files, and unlimited undo and redo.altova.com · read 8 Oct 2026
Folder synchronization
DiffDog can compare and synchronize directories, including ZIP archives and OOXML files.altova.com · read 8 Oct 2026
Intended users
Altova describes DiffDog as a technical diff/merge tool for developers and IT professionals.altova.com · read 8 Oct 2026
Maker history
Altova says it was founded in 1992 and is headquartered in Beverly, Massachusetts, and Vienna, Austria.altova.com · read 8 Oct 2026
Microsoft Word requirement
Word document comparison requires Microsoft Word 2003 or later installed on the computer.altova.com · read 8 Oct 2026
Purpose
DiffDog compares and merges text and source-code files, XML and JSON files, Word documents, directories, and database schemas and content.altova.com · read 8 Oct 2026
Reports
DiffDog exports file and directory difference reports in text, XML, or HTML formats.altova.com · read 8 Oct 2026
Three-way comparison
Enterprise Edition supports three-way file comparison with difference merging.altova.com · read 8 Oct 2026
Trial
The trial unlocks all features for 30 days after the user requests an evaluation license, which is sent by email.altova.com · read 8 Oct 2026
XML-aware comparison
XML comparison options include entity resolution, ignoring attribute order, well-formedness checks, validation, and schema-based editing help.altova.com · read 8 Oct 2026

Alternatives to Altova DiffDog

Every alternative, ranked