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Best Regression Testing Software in 2026

Regression testing software helps you run tests after code or product changes. Use this list to compare tools for automated regression checks on Windows, web, API, macOS, Linux or self-hosted environments.

  1. 1

    Cypress

    Free plan Open source APILinuxMac+2

    Cypress combines browser-based application testing with cloud features for recorded CI runs and team workflows. Review the plan limits and public-project data visibility before choosing a Cloud setup.

    9.2 Free plan · paid from $67/mo (annual) · 30-day trial Visit site
  2. 2

    Karate

    Free plan Open source APIExtensionLinux+3

    Karate offers a free framework spanning API, UI, mock, and performance testing, with paid plans for additional IDE and client features.

    9.1 Free plan · paid from $100/user/yr Visit site
  3. 3

    Selenium

    Free plan Open source APIExtensionLinux+4

    Selenium offers browser automation through WebDriver, IDE and Grid, with no listed price. Anyone deploying Grid should account for its default lack of authentication and restrict external access.

    8.7 Free plan Visit site
  4. 4

    SoapUI

    Free plan Open source APILinuxMac+2

    SoapUI Open Source offers API testing, mocking, and command-line automation across major listed protocols.

    8.7 Free plan Visit site
  5. 5

    TestCafe

    Free plan Open source AndroidAPIiPhone+5

    TestCafe combines browser-based end-to-end testing with API testing and a range of automation features.

    8.6 Free plan Visit site
  6. 6

    ACCELQ

    Free plan AndroidAPIiPhone+5

    ACCELQ brings broad test automation and manual test management capabilities into one platform. Its advertised trial offers a way to explore web and mobile cloud device farms before requesting pricing.

    7.7 Free plan · pricing on request Visit site
  7. 7

    Autify

    Free plan AndroidAPIiPhone+4

    Autify offers distinct Aximo and Nexus workflows, including natural-language test execution and Playwright scenario export.

    7.6 Free plan · paid from $99/mo (annual) · 14-day trial Visit site
  8. 8

    Katalon Studio

    Free plan AndroidAPIExtension+6

    Choose Katalon Studio if your team wants web, mobile, API and desktop test authoring in a shared project, with recorder and AI-assisted options.

    7.5 30-day trial Visit site
  9. 9

    Appium

    Free plan AndroidAPIiPhone+5

    Appium offers a client-server approach to UI automation with multiple platform drivers and language clients.

    7.4 Open source Visit site
  10. 10

    Leapwork

    Free plan AndroidAPIiPhone+3

    Leapwork combines several forms of test automation with enterprise application validation and flexible deployment options. Teams need to request a custom quote to assess the paid platform.

    7.4 Pricing on request Visit site
  11. 11

    Playwright

    Free plan LinuxMacSelf-hosted+2

    Playwright combines cross-browser automation, test authoring tools, and support for agent workflows. Teams can run it locally or in CI on Linux, macOS, and Windows.

    7.3 Free plan Visit site
  12. 12

    Postman

    by Postman
    Free plan ExtensionLinuxMac+2

    Postman combines API creation, testing, documentation, and monitoring in one platform, with a free plan and paid options. Check plan availability and the annual billing terms before choosing a tier.

    7.3 Free plan · paid from $9/mo (annual) Visit site
  13. 13

    Robot Framework

    Free plan APILinuxMac+1

    Robot Framework offers a free, extensible foundation for several kinds of testing and robotic process automation. Users can turn to its forum and Slack community for questions and discussion.

    7.2 Free plan Visit site
  14. 14

    Functionize

    Free plan Web

    Choose Functionize if you need plain-language test authoring, cross-browser runs, or a connection from an MCP-compatible coding agent.

    7.1 Free plan · paid from $20/mo Visit site
  15. 15

    Testim

    Free plan AndroidAPIiPhone+2

    Testim combines visual test authoring with web and mobile execution options and diagnostic tools. Check plan limits and support needs, particularly for Community users and remote device testing.

    7.0 Pricing on request Visit site
  16. 16

    TestMu AI Web Automation (formerly LambdaTest Web Automation)

    Free plan AndroidAPIiPhone+5

    TestMu AI combines cross-environment execution with test authoring, debugging captures, and a tunnel for private apps.

    7.0 Free plan · paid from $29/mo (annual) Visit site
  17. 17

    WebdriverIO

    Free plan AndroidExtensioniPhone+4

    WebdriverIO spans browser, mobile, component, and desktop automation within a Node.js framework.

    6.9 Free plan Visit site
  18. 18

    REST Assured

    Free plan API

    REST Assured offers a broad set of REST testing and validation modules at no cost under an open-source license.

    6.7 Open source Visit site
  19. 19

    BrowserStack Automate

    by BrowserStack
    Free trial AndroidAPIiPhone+3

    Choose BrowserStack Automate if your team needs automated checks across real desktop and mobile browser environments, with integrations and reporting in a managed grid.

    6.5 From $59/mo (annual) Visit site
  20. 20

    Keysight Eggplant Test

    Free trial AndroidAPIExtension+6

    Eggplant Test covers screen-based, model-based, visual, and API testing across a wide range of targets. Teams can request pricing or try it free, but there is no free plan.

    6.3 Pricing on request Visit site
  21. 21

    mabl

    Free trial AndroidAPIiPhone+4

    mabl combines broad testing coverage with low-code authoring, recovery features, integrations, and self-hosted execution.

    6.3 Pricing on request · 14-day trial Visit site
  22. 22

    Parasoft SOAtest

    Free trial AndroidAPIiPhone+4

    SOAtest brings API and microservices testing, test maintenance, and CI/CD integrations into one product. Prospective users can request tailored pricing or take a 14-day guided trial.

    6.2 Pricing on request Visit site
  23. 23

    QF-Test

    Free trial AndroidAPIiPhone+5

    QF-Test brings GUI test authoring, execution, debugging, and reporting together across several application types.

    6.1 From €59/mo (annual) · 28-day trial Visit site
  24. 24

    Ranorex Studio

    Free trial AndroidiPhoneWeb+1

    Ranorex Studio combines visual test authoring with coded flows, parallel execution, and broad integrations.

    6.1 Pricing on request · 14-day trial Visit site
  25. 25

    Squish

    Free trial AndroidAPIiPhone+5

    Squish offers broad cross-platform GUI automation with several authoring languages, CI integrations, and safety-oriented qualification support.

    6.0 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, trial periods and paid starting prices. If reading or changing code matters, check the licence. Also check test types, execution, parallel runs, integrations and test authoring.

Questions

Is open-source regression testing software available?

Yes. Appium is listed as open source. Check the licence before modifying or redistributing code.

Can I use a free plan?

Free plans are listed for ACCELQ, Appium, Autify, Cypress, Functionize, Karate, Katalon Studio and Leapwork.

Which tools offer trials?

Autify and mabl list 14-day trials, while Cypress and Katalon Studio list 30-day trials.

What platforms are covered?

Supported environments span Windows, web, API, macOS, Linux and self-hosted platforms. Confirm support for your target environment.

What should I compare besides price?

Assess test types, supported platforms, test execution, parallel execution, documented integrations and test authoring.

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