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About

Diffy is a cloud-based visual regression testing platform for websites. It screenshots every page you list, at every breakpoint you choose, on production, staging, development or pull request environments, and compares them to show exactly what changed. - Compare two environments (e.g. staging vs production) or the same site before and after an update, on demand or on a schedule - Mask, remove or mock dynamic content; custom CSS and JS; log in before capture (Drupal, WordPress and Netlify presets) - Review UI: approve from thumbnails, group the same change across pages, shareable links - AI Summary of each comparison, sent to Slack, email, webhooks and GitHub/GitLab PR comments - Integrations: GitHub, GitLab, CircleCI, Pantheon, Upsun, CLI and API, Claude Code plugin Built for agencies and teams maintaining Drupal and WordPress sites. Free plan: 500 screenshots/month.

About

Percy is an all-in-one visual testing and review platform that automates visual quality assurance by capturing screenshots of your web, mobile, or component UI, comparing each snapshot against a baseline, and highlighting any unintended visual changes to ensure pixel-perfect consistency. The platform supports integration with popular test frameworks, CI/CD pipelines, and component libraries, enabling teams to capture snapshots at each commit, review diff overlays, approve changes, suppress noise from dynamic elements, and maintain stable visual approval workflows. Percy works across multiple resolutions, browsers, devices, and viewports, and offers features like cross-browser testing, full-page capture, branch-aware baseline selection, intelligent diff filtering, and built-in collaboration tools (approve, request changes, comment). With support for SDKs in major languages and frameworks (e.g., Playwright, Cypress, Storybook), teams can embed Percy into their existing test suites.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Web agencies, developers and QA teams that maintain websites, especially Drupal and WordPress

Audience

Front-end engineers, QA teams and product designers in search of a tool to verify UI changes, maintain design integrity and ship updates with confidence

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

Free; paid from $67/month
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Diffy
diffy.website/

Company Information

Percy
Founded: 2015
United States
percy.io

Alternatives

Alternatives

Trakr

Trakr

FFW
Reflect

Reflect

SmartBear
TestMatch

TestMatch

Astadia
TestMu AI

TestMu AI

TestMu AI (Formerly LambdaTest)

Categories

Regression Testing Supported
Visual Testing Supported

Categories

Visual Testing Supported

Integrations

.NET Not Supported
Appium Not Supported
Azure DevOps Not Supported
Bitbucket Not Supported
BrowserStack Not Supported
Canva Not Supported
Cypress Not Supported
Envoy Not Supported
Espresso Not Supported
GitLab Not Supported
Google Cloud Platform Not Supported
Jekyll Not Supported
Nightwatch Not Supported
Playwright Not Supported
Rails Not Supported
React Not Supported
Selenium IDE Not Supported
Shopify Not Supported
Slack Not Supported
WebDriverIO Not Supported

Integrations

.NET Supported
Appium Supported
Azure DevOps Supported
Bitbucket Supported
BrowserStack Supported
Canva Supported
Cypress Supported
Envoy Supported
Espresso Supported
GitLab Supported
Google Cloud Platform Supported
Jekyll Supported
Nightwatch Supported
Playwright Supported
Rails Supported
React Supported
Selenium IDE Supported
Shopify Supported
Slack Supported
WebDriverIO Supported
Claim Diffy and update features and information
Claim Diffy and update features and information
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Claim Percy and update features and information