A test shopper visits your store every hour on desktop and mobile: picks each variant, adds it to the cart and starts checkout, without placing an order. It checks that the cart holds the right variant at the right price, and alerts you with the failing step and a screenshot.
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Free now: Free store break check: cart, checkout, search and links, as a shopper sees them
Guide: How to catch a broken Shopify checkout before your customers do
Not just “add to cart works”: the cart is checked against what was clicked and against your product data.
Breakages from auto-updating apps and theme edits are caught within the hour, not after a sales dip.
Screenshot, console errors and the exact click that failed, so your developer can fix it fast.
“Customers are complaining that they add a variant to the cart and it adds a different variant from the product.” (public Shopify Community post, Aug 2026)
“The loading of the shop pay icon at the top right corner is causing the page to crash. We have about 95% bounce” (public Shopify Community post, Sep 2026)
Had this happen recently? Tell us what happened (4 questions, about 10 minutes, no sign-up).
Agencies: from $99/month for 10 client stores. A one-off store check stays free.
We'll email you about early access, at most twice. No spam; reply STOP to opt out.