The A/B testing app that grows your profit
Test content, themes, page layouts, and shipping messages — then ship the winners backed by real statistical significance. Built for Shopify.
Installs from your Shopify admin — no theme code edits.
Test smarter, not harder
Built for Shopify merchants who want results, not spreadsheets.
Split URL testing
Send visitors to two different pages or landing-page designs and see which one converts better — no Shopify Plus required.
Content & theme testing
Test headlines, copy, images, banners, and full theme variants — all without touching a line of code or hiring a developer.
Shipping message testing
A/B test free-shipping progress bars and shipping messaging to find what lifts your average order value.
Trustworthy statistics
Sequential testing safe for continuous monitoring, with Bayesian probability-to-win — so you ship winners with real confidence.
Up and running in minutes
No developer, no Shopify Plus, no waiting.
Install the app
Add Cazy AB to your Shopify store with one click. Enable the theme embed block and you're live in under 5 minutes.
Create an experiment
Choose what to test, configure variants, set traffic allocation, and define your hypothesis.
Watch the winner emerge
Track results in real time with sound significance testing. Ship winners with confidence and stop losing revenue.
Simple, transparent pricing
Start free. Upgrade when you're ready.
- 1 experiment
- 1,000 visitors/month
- Content, theme & split URL tests
- Sequential stats & real-time results
- 5 experiments
- 10,000 visitors/month
- Content, theme & split URL tests
- Audience segment targeting
- Unlimited experiments
- 100,000 visitors/month
- Audience segment targeting
- Priority support
- Unlimited experiments
- Unlimited visitors
- Everything in Growth
- Priority support & dedicated onboarding