Applitools

What is Applitools?

Applitools is the company behind Eyes, a visual testing engine that compares screenshots the way a human reviewer would. Where classic pixel-by-pixel diffing explodes over anti-aliasing and harmless tweaks, Applitools' visual AI understands what changed and whether it matters, so your test suite gets far fewer false alarms.

The platform was founded in 2013 and has grown into the best-known name in visual testing. You do not replace your existing tests, you enhance them: the Eyes SDK plugs into Selenium, Cypress, Playwright, Appium and most other frameworks, and adds visual checkpoints to tests you already run.

The other big piece is the Ultrafast Grid. Instead of running your whole suite on many browser and device combinations, you run it once and let the grid render your app on hundreds of browsers, viewports and devices in parallel. That turns a slow matrix of test runs into a single fast run with full visual coverage.

Key Features

• Visual AI comparisons that tolerate insignificant changes and flag real ones
• Ultrafast Grid for parallel rendering across browsers, devices and viewports
• SDKs for Java, JavaScript, C#, Python, Ruby, and mobile frameworks
• Works on top of Selenium, Cypress, Playwright, Appium and WebdriverIO
• Automatic baseline management with approval workflows
• Root cause analysis that pinpoints the exact change behind a visual diff
• Accessibility testing built into the visual pipeline
• Integrations with CI/CD tools, issue trackers and test management platforms

How to get started

The fastest path is to add visual testing to a suite you already have. Install the Eyes SDK for your framework, create an account to get an API key, and add a few visual checkpoints to an existing test.

Run it once to establish baselines, then let the Ultrafast Grid take over. Review any diffs in the Applitools dashboard, approve the ones that are intended, and connect your CI so every pull request gets a visual check.

• Create an Applitools account and grab your API key
• Install the Eyes SDK for your test framework
• Add visual checkpoints to one or two existing tests
• Run the suite and approve the first baselines
• Enable the Ultrafast Grid for cross-browser coverage

Use cases

• Catching layout shifts and broken styling in responsive designs
• Validating theme changes, font swaps and design system updates
• Cross-browser and cross-device visual coverage without a device lab
• Mobile app UI regression testing with Appium
• E-commerce and marketing site QA where appearance drives revenue
• Accessibility checks on color contrast and component rendering

Pricing and licensing

Applitools uses a freemium model. There is a free tier aimed at developers and open source projects, and paid plans scale with the amount of visual testing you do, including grid minutes and team seats.

Exact prices depend on your plan and usage level, so check the Applitools website for current numbers rather than trusting any third-party price list.

Pros and cons

Applitools is unmatched when your problem is visual: the AI really does cut down on false positives, and the Ultrafast Grid gives enormous browser coverage without the infrastructure cost. It integrates with everything, so it is the easiest visual layer to bolt onto an existing stack.

On the downside it only answers visual questions, so you still need functional tests alongside it, and the cost can grow quickly at enterprise scale. Teams that never test appearance may find it hard to justify, but for UI-heavy products it pays for itself.

Alternatives

• Percy: visual regression testing now part of the BrowserStack family
• Chromatic: visual testing purpose-built for Storybook component libraries
• BackstopJS: free open-source visual regression tooling for web apps
• mabl: low-code testing with built-in visual checks
• Functionize: AI cloud testing with visual and functional coverage