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Loki

iPhone + Android

6.8No. 7 of 26
in Visual Regression Testing Software
  • Recognised40% of the score20
  • Phone app26% of the score100
  • Documented20% of the score52
  • Free plan14% of the score30
Free plan
No
Runs on
Android, iPhone, Web
Visit site Alternatives

Summary

Loki is ranked #7 of 26 in visual regression testing software on Samsung Mobile US Press. It runs on Android, iOS, Web.

Compared on visual regression testing software

Free plan
Yesloki.js.org
Visual diff modes
pixelloki.js.org
Cross-browser capture
Noloki.js.org
CI/CD integrations
Yesloki.js.org
Approval workflow
Yesloki.js.org

Facts

Purpose
Loki tests Storybook projects for visual regressions.loki.js.org · 4 Oct 2026
Reference images
Loki compares screenshots of stories with reference images and creates visual diffs for review.loki.js.org · 4 Oct 2026
Targets
Supported targets include Chrome in Docker, local Chrome, the iOS simulator, and the Android emulator.loki.js.org · 4 Oct 2026
AWS Lambda
A remote renderer using AWS Lambda is available for large test suites.loki.js.org · 4 Oct 2026
Storybook setup
The getting started guide says recent Storybook versions need no extra integration for non React Native projects; React Native setup imports loki/configure-react-native.loki.js.org · 4 Oct 2026
CI
Loki is designed to run on continuous integration servers, where tests can require reference images.loki.js.org · 4 Oct 2026
Image comparison
The documented diff engines are pixelmatch, gm, and looks-same; gm requires GraphicsMagick.loki.js.org · 4 Oct 2026
Prerequisite
The getting started guide lists Node 16 or later as a prerequisite.loki.js.org · 4 Oct 2026
Workflow limitation
Loki does not start Storybook or simulator/emulator servers, so these must be running before tests.github.com · 4 Oct 2026
Animation limits
Documented known animation limitations include looping requestAnimationFrame animations, GIFs, SVG animations, native Lottie animations, and React Native Animated.loki.js.org · 4 Oct 2026
Security
The AWS Lambda setup guide shows an example role restricted to denying all AWS access.loki.js.org · 4 Oct 2026
License
The project repository identifies Loki as MIT licensed.github.com · 4 Oct 2026
Maintainer
The repository lists Joel Arvidsson as author and Tomas Echeverri Valencia as maintainer.github.com · 4 Oct 2026
Support
The site links to documentation, guides, and a user showcase as project resources.loki.js.org · 4 Oct 2026

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Where it ranks on Samsung Mobile US Press

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Sources