Best Regression Testing Tools

Compare the Top Regression Testing Tools as of December 2025

What are Regression Testing Tools?

Regression testing tools are software tools used to detect and fix any functional or technical issues with a program. They are helpful in ensuring that changes to an existing system do not create any unexpected problems. Regression testing tools help find bugs, verify the functionality of a feature, and test for proper integration between components. The primary purpose of regression testing is to ensure that bug fixes work properly, that new features function correctly, and that no new bugs have been introduced with the modification. Regression testing tools can be used for unit tests, end-to-end tests, integration tests, exploratory tests and more. Compare and read user reviews of the best Regression Testing tools currently available using the table below. This list is updated regularly.

  • 1
    Functionize

    Functionize

    Functionize

    Today’s speed of change demands a new way of testing. Empower your teams to build smart tests that don’t break and can scale in the cloud. Rapidly create AI powered tests using the smart agent (Architect) or convert steps written in plain-text English into automation using natural language processing. Stop wasting time fixing broken tests. Functionize dynamically updates your tests using machine learning to keep up with UI changes. Quickly diagnose test failures with one-click SmartFix suggestions. Quickly diagnose failures with screenshot comparisons and and easy to understand errors. Interact with your test while it runs live on the VM using breakpoints with Live Debug. Update your tests using Smart Screenshots and apply one-click SmartFix suggestions. Eliminate test infrastructure. Run as many tests as often as needed across all major browsers at scale using Functionize’s Test Cloud.
  • 2
    Squish

    Squish

    Qt Group

    Squish GUI Tester automates testing of graphical user interfaces across platforms and technologies such as Qt, Java, Web, .NET/WPF, iOS, Android, and embedded systems. Test scripts can be written in Python, JavaScript, Perl, Tcl, or Ruby, and its object-based recognition ensures tests remain reliable even as UIs change. With features like record/replay, keyword-driven and data-driven testing, test suite management, and CI/CD integration, Squish helps teams reduce manual testing, accelerate testing cycles, and ensure consistent performance, usability, and reliability. It is ideal for teams building enterprise-scale or safety-critical applications requiring high-quality, maintainable GUI testing workflows.
  • Previous
  • You're on page 1
  • Next