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Best Functional Testing Software in 2026

Checking software behavior across the applications people use calls for attention to both coverage and how tests are created and run. Compared on authoring mode, web, mobile, and desktop app coverage, and cross-browser support, these options also include details on parallel runs and self-hosted availability.

  1. 01 Cypress

    Cypress suits developers testing web applications with code, and teams that want to record and analyze CI test runs.

    From $67/mo Free plan Open source Web · Windows · macOS · Linux
    9.4 Visit Specs
  2. 02 Katalon Studio
    From $83.33/mo Free plan Web · Windows · macOS · Linux
    9.2 Visit Specs
  3. 03 Keysight Eggplant Test

    It suits teams automating tests across multiple application types, including complex, packaged or mainframe systems.

    Free trial Web · Windows · macOS · Linux
    9.0 Visit Specs
  4. 04 Perfecto
    From $83/mo Free trial Web · Windows · macOS · iOS
    8.9 Visit Specs
  5. 05 TestCafe

    TestCafe suits developers and teams building web tests in JavaScript or TypeScript who need local or remote browser runs, API testing, or CI integration.

    From $20/mo Free plan Open source Web · Windows · macOS · Linux
    8.8 Visit Specs
  6. 06 BrowserStack AutomateBrowserStack

    It suits teams writing automated browser and mobile-web tests that need access to real desktop and mobile browser environments.

    From $59/mo Free trial Web · Windows · macOS · iOS
    8.7 Visit Specs
  7. 07 Leapwork
    Free plan Web · Windows · iOS · Android
    8.7 Visit Specs
  8. 08 testRigor

    testRigor describes itself as built for developers and QA teams, including fast-moving startups that need to verify essential application functions.

    From $300/mo Free plan Web · Windows · macOS · Linux
    8.7 Visit Specs
  9. 09 BugBug
    From $99/mo Free plan Web · API · Browser extension
    8.5 Visit Specs
  10. 10 Endtest

    It suits teams starting with automated testing or expanding an existing automation process.

    From $175/mo Free trial Web · Windows · macOS · iOS
    8.5 Visit Specs
  11. 11 Selenium

    Selenium suits developers who need browser automation for web application testing, whether locally or across distributed machines.

    Free plan Open source Web · Windows · macOS · Linux
    8.5 Visit Specs
  12. 12 Detox

    Detox suits teams writing JavaScript end-to-end tests for React Native apps on iOS and Android, including teams that need CI workflows or self-hosted runners.

    Free plan Windows · macOS · Linux · iOS
    8.4 Visit Specs
  13. 13 Maestro

    Maestro suits testers, developers, engineers and DevOps teams automating mobile or web app tests.

    From $250/mo Free plan Web · Windows · macOS · Linux
    8.4 Visit Specs
  14. 14 ACCELQ

    ACCELQ suits teams that need codeless automation and test management across web, mobile, APIs and backend systems.

    Free trial Web · Windows · macOS · Linux
    8.2 Visit Specs
  15. 15 Ghost Inspector
    From $109/mo Free trial Web · API · Browser extension
    8.2 Visit Specs
  16. 16 Test IO

    Test IO is for companies seeking external testing across web and mobile products.

    Free trial Web · Windows · macOS · Linux
    8.2 Visit Specs
  17. 17 Appium
    Web · Windows · macOS · Linux
    8.1 Visit Specs
  18. 18 Avo Assure
    Free trial Web · Windows · Linux · API
    8.1 Visit Specs
  19. 19 Kobiton
    From $83/mo Free trial Web · iOS · Android · API
    8.1 Visit Specs
  20. 20 99tests
    Web · iOS · Android
    8.0 Visit Specs
  21. 21 Functionize
    From $20/mo Free plan Web
    8.0 Visit Specs
  22. 22 TestGrid
    From $199/mo Free trial Web · iOS · Android · API
    8.0 Visit Specs
  23. 23 Nightwatch

    Nightwatch suits developers and teams writing automated tests for websites, web applications, Node.js services, or HTTP APIs.

    Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
  24. 24 Playwright
    Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
  25. 25 TestMu AI Web Automation (formerly LambdaTest Web Automation)

    It suits teams automating web or app tests across multiple browsers, operating systems, and devices.

    From $29/mo Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Maestro, testRigor, and Cypress are among the entries. Consider the application types and browsers your tests need to address, then compare the authoring options and whether parallel execution or a self-hosted setup matters for your environment. Free-plan availability and paid-from pricing provide additional context when weighing the tools against your testing requirements.

Compare Cypress and Katalon Studio Get a place on this list

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