BackstopJS
6.0#18 in visual regression testing softwareFree planFree planLinuxmacOSSelf-hosted
VisitBackstopJS vs Loki
What both publish
| Fact | BackstopJS | Loki |
|---|---|---|
| License | GitHub identifies the project as MIT licensed. | The project repository identifies Loki as MIT licensed. |
| Purpose | BackstopJS automates visual regression testing of web apps by comparing screenshots over time. | Loki tests Storybook projects for visual regressions by comparing screenshots with reference images. |
| Security | The README recommends matching the Docker container user to the local environment to improve security and avoid file ownership problems. | The command-line reference documents a `chromeDockerWithoutSeccomp` option, which defaults to false. |
BackstopJS plans
- BackstopJSFree
Loki plans
- LokiFree
Pick BackstopJS if…
BackstopJS suits developers who need repeatable screenshot comparisons for web apps, including teams using CI reporting or multiple browser engines. It is available for Linux, macOS, and self-hosted use.
Pick Loki if…
Loki suits developers maintaining Storybook projects who want screenshot comparisons in a continuous integration workflow. It supports browser captures as well as iOS simulator and Android emulator screenshots.