Set the promise
Choose percentage off or the exact final price customers should receive.
Set one expected percentage discount or final price. The free check compares a public Shopify product page with one bounded cart observation.
Use the public product URL customers see in the campaign.
One bounded journey
The tester avoids guessing promotion intent. You provide the expected result; the report shows which public evidence was and was not observed.
Choose percentage off or the exact final price customers should receive.
Retain public displayed price, compare-at, availability, and default variant evidence.
Attempt one safe Add to Cart action and compare its unit price without opening checkout.
A match means the retained public product and cart evidence aligned with the expectation at that moment. It does not prove a coupon, free gift, shipping rule, checkout discount, customer segment, market, or app-specific promotion works.