18.7
TestCafe is a free, open-source framework for end-to-end web testing.
Free planOpen sourceAndroidiOSWeb
Best Regression Testing Software in 2026
Regression testing software helps you rerun checks after code changes, so you can compare test results across releases. Tools in this category may support different test types, authoring methods and execution setups. Compare the platforms you need, including Windows, web, API, macOS, Linux or self-hosted use. Check whether an Android app or Android device workflow is documented, then review free plans, trials, paid…
28.4
Cypress is a front-end testing tool for web applications, with an open-source Cypress App and a cloud-based Cypress Cloud service.
Free planOpen sourceWebAPILinux
38.4
Katalon Studio is a test automation IDE for creating and running tests across web, mobile, API, and desktop applications.
Free planAndroidiOSWeb
- 4
Karate
Free planOpen sourceAPIExtensionLinuxmacOS8.2From $100 a year - 5
SoapUI
SoapUI is an open-source tool for testing REST, SOAP and GraphQL web services.
Free planOpen sourceAPILinuxmacOSSelf-hosted8.2From $1,069 a year - 6
Keysight Eggplant Test
Keysight Eggplant Test is a test automation platform for end-to-end checks across web, mobile, API, desktop and complex environments such as Citrix.
AndroidiOSWebAPI7.9$9,999 one-time - 7
Selenium
Selenium is a free suite of tools for automating web browsers, mainly to test web applications.
Free planOpen sourceWebAPIExtensionLinux7.8Free plan - 8
Leapwork
Free planAndroidiOSWebAPI7.7Free plan - 9
Autify
Autify is a software testing platform for creating, running and managing application tests.
Free planAndroidiOSWebAPI7.6From $99 a month - 10
Postman
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
Free planWebExtensionLinuxmacOS7.6From $9 a month - 11
TestMu AI Web Automation (formerly LambdaTest Web Automation)
TestMu AI Web Automation is a cloud platform for running web and app automation tests without maintaining local grids.
Free planAndroidiOSWebAPI7.6From $29 a month - 12
7.5 - 13
WebdriverIO
WebdriverIO is a free, open-source automation test framework for Node.js that covers browsers, mobile devices, and native desktop apps.
Free planAndroidiOSWebExtension7.2Free plan - 147.1
- 15
Testim
Testim is a test automation platform for creating, maintaining, and running web and mobile tests.
Free planAndroidiOSWebAPI7.1Free plan - 16
Functionize
Functionize is a web-based software testing platform that builds, runs, and maintains tests from plain-language descriptions as an application changes.
Free planWeb6.9From $20 a month - 17
ACCELQ
ACCELQ is an AI-powered, codeless platform for test automation and test management across web, mobile, API, desktop, and backend systems.
AndroidiOSWebAPI6.7 - 18
Appium
Appium is a free, open-source project and software ecosystem for automating user interfaces across mobile, browser, desktop, TV, and other app platforms.
AndroidiOSWebAPI6.7 - 19
Parasoft SOAtest
Parasoft SOAtest automates functional, security, and performance testing for APIs and microservices.
AndroidiOSAPILinux6.7 - 20
Playwright
Playwright is a web automation tool for testing, scripting, and AI agents.
Free planWebLinuxmacOSSelf-hosted6.7Free plan - 21
Ranorex Studio
Ranorex Studio automates tests for desktop, web, and mobile applications.
AndroidiOSWebWindows6.7 - 22
mabl
mabl is an agentic testing platform for building, running, and recovering software test coverage.
AndroidiOSWebAPI6.6 - 23
Squish
Squish automates GUI testing for desktop, web, mobile, and embedded applications.
AndroidiOSWebAPI6.6 - 24
Robot Framework
Robot Framework is an open-source framework for test automation and robotic process automation.
Free planAPILinuxmacOSWindows6.3Free plan - 25
REST Assured
Free planAPI5.9Free plan
Choosing well
Match the platforms
Platform coverage in this category includes Windows, web, API, macOS, Linux and self-hosted setups. Start with the environment where your tests and applications run.
If you need Android testing from a Xiaomi, Redmi or POCO device, check the product documentation for an Android app or device workflow.
Check the entry cost
A free plan is available from products in this category, while other offers use paid plans or pricing on request. Compare what the free tier includes before committing.
Free trials also appear in the list. Note the stated starting prices and whether billing is annual, per user or otherwise described by the vendor.
Choose a test authoring style
Test authoring is a comparison field, so inspect how a tool lets you create and maintain regression checks. If your team needs to read or change the code, check the licence and whether the project is open source.
Open-source code is offered by products in this category; other tools use proprietary software.
Review execution and scale
Compare how tests run and whether parallel execution is supported. These details affect how you schedule checks and handle larger test suites.
Look at documented integrations as well, especially when the tool must connect with your existing build, delivery or reporting workflow.
Questions people ask
Can I start without paying?
A free plan is offered by products in this category. Other options list paid plans, pricing on request or a free trial, so review the specific offer.
Which platforms are covered?
The listed platform facts include Windows, web, API, macOS, Linux and self-hosted use. Confirm that your required environment is supported.
Is open-source regression testing available?
Yes. Open-source code is offered by products in this category. Check the licence and project terms before adopting it.
What should I compare beyond price?
Compare test types, authoring, execution, parallel execution, documented integrations and supported platforms, along with free-plan or trial terms.