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Tech riderRev. 4 Oct 2026

apgdiff

Ch 046.9of 19 Database Schema Comparison Tools
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Migration scriptsYes
  4. 4Database scopesingle-engine
4 lines stated Written from the maker's own pages: github.com, apgdiff.com
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The apgdiff homepage

Overview

apgdiff is ranked #4 of 19 in database schema comparison tools on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

apgdiff plans and pricing

All plans
Free Free Free PostgreSQL schema diff tool · MIT licensed apgdiff.com · 4 Oct 2026

Compared on database schema comparison tools

Free plan
Yesgithub.com
Migration scripts
Yesgithub.com
Database scope
single-enginegithub.com

Facts

Purpose
apgdiff compares two PostgreSQL database schema dump files and outputs DDL statements to update the old schema or show the differences.apgdiff.com · 4 Oct 2026
Workflow
It takes an original schema dump and a new schema dump as input, and can print the generated SQL or redirect it to a file.apgdiff.com · 4 Oct 2026
Command line
apgdiff is a command-line tool run from a terminal and the homepage says it is useful to call from batches or web applications.apgdiff.com · 4 Oct 2026
Supported systems
The homepage lists Windows, Linux, Mac OS X, Solaris, and BSD, and says it can run on other systems where Java is available.apgdiff.com · 4 Oct 2026
Runtime
apgdiff is a Java program and its installation page requires Java 1.6 or newer.apgdiff.com · 4 Oct 2026
Download
The download page identifies version 2.4 as the latest stable release and offers binary and source ZIP downloads.apgdiff.com · 4 Oct 2026
Unsupported statements
Other SQL statements are ignored, and the --output-ignored-statements option reports DDL statements the tool currently ignores.apgdiff.com · 4 Oct 2026
Feature constraint
For CREATE TABLE column constraints, the supported features page says only NULL and NOT NULL are supported.apgdiff.com · 4 Oct 2026
Review generated SQL
The usage guide recommends reviewing generated upgrade statements and possibly testing them on another database before applying them to production.apgdiff.com · 4 Oct 2026
License
The project is licensed under the MIT License.apgdiff.com · 4 Oct 2026
Support
The site directs users to GitHub Issues to report bugs or request features and lists the author’s email for comments and suggestions.apgdiff.com · 4 Oct 2026
Project activity
The project news page lists version 2.4 as released on 2012-09-21 and says the project moved to GitHub on 2012-08-03.apgdiff.com · 4 Oct 2026
Who it serves
The homepage says the command-line format suits users accustomed to command-line applications and may be inconvenient for users who are not.apgdiff.com · 4 Oct 2026

Company

Founded
2006github.com · 28 Sept 2026

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Sources