18.7
TestCafe is a free, open-source framework for end-to-end web testing.
Free planOpen sourceAndroidiOSWeb
Best Functional Testing Software in 2026
Functional testing software helps you check how an application behaves across the platforms and browsers you need to support. Compare web, mobile, and desktop app coverage, plus cross-browser support, to see which options match your testing scope. Authoring mode, parallel runs, and a self-hosted option can also shape how a tool fits your workflow. Review free-plan availability and paid-from pricing as part of the…
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
testRigor
testRigor creates and runs software tests written in plain English, using generative AI.
Free planAndroidiOSWebAPI8.3From $300 a month - 5
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 - 6
Perfecto
Perfecto is a cloud testing platform for mobile and web applications, serving enterprise teams in industries such as financial services, retail,…
AndroidiOSWebAPI7.9From $83 a month - 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
Maestro
Maestro is an open-source UI testing framework for mobile and web apps, with tests written as human-readable YAML flows.
Free planAndroidiOSWebLinux7.6From $250 a month - 10
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 - 11
7.5 - 12
TestGrid
TestGrid combines real-device and browser infrastructure with automation, test management, performance, API, visual, and AI-assisted testing.
AndroidiOSWebAPI7.2From $199 a month - 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 - 14
Endtest
Endtest is an AI platform for creating, managing, and running end-to-end automated tests for web and mobile applications.
AndroidiOSWebmacOS7.1From $175 a month - 15
Kobiton
Kobiton provides manual, automated, and no-code mobile app testing on real devices.
AndroidiOSWebAPI7.1From $83 a month - 16
Detox
Free planAndroidiOSLinuxmacOS7.0Free plan - 17
Test IO
Test IO provides crowdtesting services to companies through a SaaS platform and a community of professional testers.
AndroidiOSWebAPI7.0 - 18
BugBug
BugBug turns recorded browser activity into automated end-to-end tests for web applications.
Free planWebAPIExtension6.9From $99 a month - 19
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 - 20
Nightwatch
Nightwatch is a Node.js framework for automating tests of websites and web applications across browsers.
Free planAndroidiOSWebLinux6.9Free plan - 21
ACCELQ
ACCELQ is an AI-powered, codeless platform for test automation and test management across web, mobile, API, desktop, and backend systems.
AndroidiOSWebAPI6.7 - 22
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 - 23
Playwright
Playwright is a web automation tool for testing, scripting, and AI agents.
Free planWebLinuxmacOSSelf-hosted6.7Free plan - 24
Ranorex Studio
Ranorex Studio automates tests for desktop, web, and mobile applications.
AndroidiOSWebWindows6.7 - 25
99tests
AndroidiOSWeb6.6₹9,999 one-time