Use this page to download the latest version of DiffDog, which is Version 2021 Release 3.
To experience optimal evaluation, download DiffDog Enterprise Edition with the most advanced feature set available.
Select your software version, and click the Download button below to download the self- contained Installer for Altova DiffDog.
If you need to access previous software releases (e.g., to reinstall a previously purchased product after a hardware failure), you can access older versions of DiffDog here:
Free Trial Evaluation Information
To start your free, 30-day trial, simply download and install the software you wish to evaluate. When you start the software, you will be prompted to request an evaluation license, which you will receive via email. Your personalized evaluation license unlocks the software, and all features are fully enabled for 30 days.