Top 13 AI Testing Tools for Responsive Viewports
13 tools in the directory support responsive viewports, according to their own documentation. Each record links to the sources behind that claim.
Included when a tool record lists responsive viewports under device modes. Support is taken from each vendor’s own documentation, and the list below is not ranked.
How to choose
These tools support responsive viewports. Support for one browser, language, or platform rarely decides a choice on its own, so compare the table on authoring method, pricing, and the rest of the coverage you need.
A tool appears here when a tool record lists responsive viewports under device modes, verified against an official source. The list is generated from those records and is not ranked.
The 13 tools
- 1
Applitools
Applitools is a commercial visual testing platform that compares application screenshots using its Visual AI engine.
Applitools tests Web app, Native mobile and API, supports JavaScript, TypeScript, Python, Java, C#, Ruby and Natural language, has verified AI features and offers a free tier.
- 2
Autify
Autify is an AI-powered test automation platform offering no-code and natural language test creation, visual regression testing, and AI-assisted maintenance for web and mobile applications.
Autify tests Web app, Native mobile and Email, supports JavaScript and Natural language and has verified AI features.
- 3
BrowserBash
BrowserBash is an open-source command-line tool that drives a browser from plain-English instructions.
BrowserBash tests Web app and API, supports Natural language and has verified AI features.
- 4
BrowserStack
BrowserStack is a commercial cloud testing platform offering hosted browsers and real devices for automated and manual testing.
BrowserStack tests Web app, Native mobile and Hybrid mobile, supports JavaScript, TypeScript, Python, Java, C# and Ruby, has verified AI features and offers a free tier.
- 5
Bug0
Bug0 is a managed AI QA service that provides a dedicated forward-deployed engineer and an AI-powered testing platform (Bug0 Studio) built on an open-source Playwright engine.
Bug0 tests Web app, supports Natural language and TypeScript and has verified AI features.
- 6
Checksum
Checksum is an AI-powered end-to-end testing platform that generates, maintains, and auto-heals Playwright and API tests.
Checksum tests Web app and API, supports TypeScript and has verified AI features.
- 7
Cypress
Cypress is an open-source JavaScript end-to-end testing framework with an optional paid cloud service from Cypress.io.
Cypress tests Web app and API, supports JavaScript and TypeScript, has verified AI features and offers a free tier.
- 8
Playwright
Playwright is an open-source end-to-end testing framework for web applications maintained by Microsoft, enabling reliable web automation for testing, scripting, and AI agents.
Playwright tests Web app, API and Browser extension, supports JavaScript, TypeScript, Python, Java and C# and offers a free tier.
- 9
Spur
Spur is a commercial AI QA testing service that runs plain-English test flows against web and native mobile applications.
Spur tests Web app and Native mobile, supports Natural language and has verified AI features.
- 10
Stably
Stably is an AI-native testing platform that provides an agentic IDE for parallel coding agents to get test coverage quickly.
Stably tests Web app, supports JavaScript and TypeScript, has verified AI features and offers a free tier.
- 11
TestDriver
TestDriver is an AI testing product from TestDriver that runs applications to test them; this directory is published by the same company.
TestDriver tests Web app, Native desktop, Browser extension and Vscode, supports JavaScript and TypeScript, has verified AI features and offers a free tier.
- 12
TestSprite
TestSprite is a commercial AI testing agent that generates and maintains automated tests for web applications and APIs.
TestSprite tests Web app and API, supports Natural language, has verified AI features and offers a free tier.
- 13
TestZeus Hercules
Hercules is TestZeus's open-source testing agent that executes test cases written in natural language.
TestZeus Hercules tests Web app and API, supports Natural language and Python and has verified AI features.
Compare them side by side
| Select for comparison | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Applitools | Real device, Emulator, Simulator, Responsive viewport | Windows, macOS, Linux, iOS, Android | Browser protocol, Real device, Emulator, Simulator, Http client | Visual, End-to-end, Functional, Accessibility, Cross browser | SaaS, Private cloud, On-premises | |||||||||
| Autify | Emulator, Responsive viewport | Windows, macOS, Linux, iOS, Android | Browser protocol | End-to-end, Functional, Regression, Visual, Smoke | SaaS | |||||||||
| BrowserBash | Responsive viewport | Windows, macOS, Linux, iOS, Android | Browser DOM, Browser protocol, Computer vision, OS input, Http client | End-to-end, Functional, Regression, API | Local, SaaS, Self-hosted | |||||||||
| Real device, Emulator, Simulator, Responsive viewport | Windows, macOS, Linux, iOS, Android | Real device, Browser DOM, Browser protocol | End-to-end, Functional, Visual, Accessibility, Load, Exploratory, Cross browser testing, Cross platform testing | SaaS | ||||||||||
| Bug0 | Responsive viewport | Windows, macOS, Linux | Browser DOM, Computer vision | End-to-end, Functional, Regression, Smoke | SaaS | |||||||||
| Checksum | Responsive viewport | Windows, macOS, Linux | Browser protocol, Http client | End-to-end, API, Regression | SaaS | |||||||||
| Cypress | Responsive viewport | Windows, macOS, Linux | Browser DOM | End-to-end, Component, API, Accessibility | Local, SaaS | |||||||||
| Emulator, Simulator, Responsive viewport | Windows, macOS, Linux | Browser protocol | End-to-end, Functional, API, Visual, Accessibility | Local, Self-hosted | ||||||||||
| Spur | Responsive viewport | iOS, Android | Hybrid | End-to-end, Functional, Regression, Smoke, Exploratory | SaaS | |||||||||
| Responsive viewport | Windows, macOS, Linux, iOS, Android | Browser DOM, Browser protocol, Computer vision, OS input | End-to-end, Functional, Regression, API, Visual | SaaS, Self-hosted | ||||||||||
| TestDriver | Real device, Responsive viewport | Linux, Windows, iOS, Android | Browser DOM, OS input, Computer vision | End-to-end, Functional | Vscode | SaaS, Self-hosted | ||||||||
| TestSprite | Responsive viewport | Linux, macOS, Windows | Browser protocol, Http client | End-to-end, API, Functional, Regression | SaaS | |||||||||
| TestZeus Hercules | Emulator, Responsive viewport | Windows, macOS, Linux | Browser protocol | End-to-end, Functional, Regression, API, Visual, Accessibility | Local, SaaS, Self-hosted |