Side by side
Galen Framework vs Happo
Both stand on visual testing. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
Galen combines specification-based responsive layout checks with visual comparisons and reviewable reports. Its manual setup and Java requirement are important considerations, particularly for Windows users.
Visit Galen Framework
Free plan AndroidAPIiPhone+2
Happo combines screenshot comparisons with accessibility testing and integrations for common development workflows. The free quota may suit limited use; higher snapshot volumes require a paid plan or an upgrade.
Visit HappoThe facts
| Galen Framework | Happo | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Linux, Mac, Windows | Android, API, iPhone, Self-hosted, Web |
| Lowest paid plan | Free or on request | Starter: $149 a month |
| Plans published | 1 | 5 |
| Maker | Not published | Not published |
| Website | galenframework.com | happo.io |
| On visual testing | #2 of 17 | #1 of 17 |
Galen Framework: what it does well
- Free under the Apache License, Version 2.0
- Checks layouts against user-defined specifications
- Supports JavaScript and Java tests
- Reports include screenshots and misalignment highlights
- Can run through Selenium Grid and listed cloud services
What to know first
- Requires Java 1.8 or greater
- Installation is manual
- Windows has no installer
- Windows setup requires adding galen.bat to PATH
Happo: what it does well
- Accessibility testing is included on every plan.
- Free plan includes 5,000 monthly snapshots.
- Connects with Storybook, Playwright and Cypress.
- Supports several repository and CI integrations.
- Customer screenshots receive account-level access controls.
What to know first
- Free accounts pause after reaching their monthly quota.
- Paid plans charge $0.006 per additional snapshot.
- GitLab support is labeled experimental.
- Browser availability depends on plan.
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