Automate visual testing without writing code
Zero code. Zero setup. Zero excuses.
Install the app. Open your site.
Browse normally, we capture everything.
Run it again tomorrow: every difference shows up.
Built to understand change — calmly
Clear results. No noise.
Record without coding
Browse your site normally. Delta-QA captures your actions automatically.
Replay in one click
Run your scenarios whenever you want. Tests execute on their own.
See what changed
Side-by-side visual comparison. Differences are highlighted automatically.
Fix easily
A broken test? Just re-record the step that changed, not the whole scenario.
Stay in control
Your data stays on your machine. No mandatory cloud.
Why it feels different
- No code to write
- No selectors to maintain
- No mandatory cloud
Good engineering doesn't shout.
It just keeps things under control.
Visual and functional comparison — side by side
See layout changes.
See behavior changes.
See content changes.
If a pixel moved, you'll see it.
If nothing moved, you'll see that too.
What Delta-QA detects
429 validated test cases. 0 false positives.
One scenario. Multiple browsers.
Because users have opinions.
Browsers too.
Choose how you deploy
Same product. Different deployment choices.
Desktop App
For individual QAs
- 100% free, unlimited
- Runs on your machine
- No account required
On-Premise
For organizations
- On your infrastructure
- 100% data ownership
- Guaranteed compliance
Yes. You get to choose.
Control is not optional
Whether you run tests locally, on-premise, or in the cloud:
- Your data stays yours
- Your tests remain accessible
- Nothing is hidden behind black boxes
We like to know where things run.
And where data lives.
Built in France. Designed for trust.
We take privacy seriously.
It's a European thing.
Simple, transparent pricing
Start free, scale as you grow
Desktop
For individual QAs
- Unlimited scenarios
- Unlimited comparisons
- All browsers
- Unlimited local history
- Zone & full page mode
Team
For QA teams
- 50 scenarios
- 10 users
- 500 comparisons/month
- CI/CD integration
- API & Team dashboard
- 90-day history
Business
For large teams
- 200 scenarios
- 50 users
- 2000 comparisons/month
- Priority support
- 1-year history
On-Premise
Total sovereignty
- Installation on your infrastructure
- Unlimited scenarios & users
- 100% data ownership
- Dedicated support
- GDPR native compliance
Frequently Asked Questions
Everything you need to know about Delta-QA
Delta-QA is a visual regression testing tool that automatically detects visual changes on your web pages by comparing screenshots pixel by pixel.
Yes, the desktop version of Delta-QA is completely free. Team and business plans with advanced features are coming soon.
Delta-QA is available for macOS and Windows. Cloud and On-Premise versions are coming soon. Interested? Let's talk!
No, Delta-QA requires no coding. Simply record your user journeys by browsing normally, then replay and compare automatically.
Yes, everything stays on your machine. No mandatory cloud, no dependency on external services. And if you want Delta-QA installed directly on your company servers, our On-Premise option is made for you. Because of course, you never test in production... right? Contact us
We don't just run tests.
We keep receipts.
And we know where they're stored.