See the stack instantly
Visit any Shopify store. The extension surfaces ESP, reviews, subscription, payments, theme, and 200+ tracked apps in a clean overlay.
Coming Q4 2026 · Free forever
Inspect any Shopify store.
One click.
Free Chrome extension. See the tech stack, theme, traffic estimate, and recent signals on any Shopify storefront — without leaving their tab.
Bundled free with every paid plan · also free as a standalone
What it does
Built for the moment
you're curious.
One-click watchlist
Spotted something interesting? Click to add to your watchlist. Daily snapshots start the same day.
Recent change history
See the last 90 days of changes for the store you're on — installs, theme switches, traffic shifts. The story behind the snapshot.
Zero-config
Install, sign in, done. Free forever as a standalone. Bundled into every paid web platform plan.
Preview
What it looks like in the wild.
kapten-son.de
MerchantWatch
Kapten & Son
kapten-son.de · DE · Accessories
Traffic /mo
128.6K
Theme
Empire
Apps
18
Detected stack
KlaviyoRechargeLooxGorgiasPostscript+13
Recent · 12 hours ago
Installed Postscript SMS
FAQ
Extension questions.
When does it launch?
Q4 2026. Sign up to be notified the day it ships. Until then, the web platform covers the same database with a richer UI.
Is it really free?
Yes — free standalone with read-only data on any store. Bundled free with every paid web platform plan, where you also get the watchlist, alerts, and exports.
Does it work on non-Shopify stores?
No, it's purpose-built for Shopify storefronts. We can't reliably detect tech stacks on WooCommerce, Magento, or custom platforms — the storefront markers are different.
Does it slow down browsing?
No. The overlay loads on demand when you click the icon. We don't run on every page or modify any of the store's content.
What about my privacy?
We log which Shopify stores you look up to your account (so you can revisit). We don't track your general browsing or sell your data. Disable telemetry in extension settings if you want zero logging.
Be first when it ships.
Get notified when the extension hits the Chrome Web Store. Free — and you'll get a 30-day Pro trial of the web platform too.