CartTelltale
A clearer check after every storefront change

Get a Shopify product-page result in one click.

CartTelltale Check automatically checks the price, product or variant ID, Add to cart, and Shopify cart form, then shows Success, Needs attention, or Fail.

Install free from Chrome Web StoreTheme update checklist & demo

No account · No Shopify Admin access · No Developer Tools · Checks stay in your browser

One job, three steps

A quick confidence check

  1. 1
    Open

    Visit a public Shopify product page.

  2. 2
    Check

    Select “Check this product page.”

  3. 3
    Read

    See one clear result and the evidence behind it.

SUCCESS

The deterministic product-page purchase signals appear ready.

NEEDS ATTENTION

One signal is missing, changed, or cannot be confirmed safely.

FAIL

Add to cart is missing, hidden, or unusable.

Need a broader release check?

Get a before-and-after Shopify QA report.

Change Guard checks up to five public storefront URLs on desktop and mobile and returns screenshot-backed findings with a GO, CONDITIONAL GO, or NO-GO recommendation.

See the $49 founding pilot

Free and Premium Beta

Save one page free, or unlock five.

Every check is user-triggered. The Free plan saves one product page; Premium Beta unlocks up to five saved pages and guided multi-page checks. Store URLs, baselines, and results stay in your browser.

Read the privacy policy →