How to find what apps a Shopify store uses (2026)
A competitor’s product page loads instantly, has smooth color swatches, upsell popups timed perfectly, and reviews that look native to the theme. You want the same setup. But the competitor is not going to hand you their app stack. Why would they?
Shopify apps don’t tend to be covert. The majority of them leave fingerprints all over the page source code in the form of script tags, CSS files, meta tags and html data attributes. Occasionally an app will load an entire iframe within your store, but generally speaking you can easily identify the majority of apps within your store in under 10 seconds, either by looking at the HTML source code or using a simple to tool to parse the pages for you.
This post covers 3 things for Shopify store owners: using our free Shopify App Detector to detect Shopify apps, manually detecting Shopify apps, and what the results mean; plus how to turn competitor’s intelligence about Shopify apps into actionable decisions for your store.
In this post
- Method 1: Free Shopify app detector
- Method 2: Manual detection from source code
- What apps can (and cannot) be detected
- How to use competitor app intelligence
- Related free tools
- FAQ
Method 1: Free Shopify app detector
Open the Shopify App Detector, paste a store URL, click detect. The tool scans the page source for known app signatures and returns a list of detected apps with links to their App Store listings. Usually takes 3 to 5 seconds.
We built this for internal use first. When merchants contact our support asking “why does my swatch app conflict with X,” the first thing we do is check what other apps they have installed. Doing this manually for every support ticket was eating time we did not have. So we automated it and made it public.
No account needed. No email gate. Paste the URL, get the apps.
Method 2: Manual detection from source code
Every Shopify app that touches the storefront injects at least one of these into the page: script tags, style tags, and iframe tags.
| Signal type | What to look for | Example |
|---|---|---|
| Script tags | External JavaScript files loaded from app CDNs | <script src="https://cdn.judge.me/..."> |
| CSS files | Stylesheets from app domains | <link href="https://app.loox.io/..."> |
| Meta tags | App-specific meta tags in the head | <meta name="shopify-app-..."> |
| Data attributes | Custom data-* attributes on HTML elements | data-klaviyo-list-id |
| Iframes | Embedded frames for chat widgets, popups | Tidio, Gorgias chat widgets |
| Global JS objects | App-specific JavaScript variables | window.KlaviyoSubscribe |
To check manually:
- Right-click on the store page and select “View Page Source” (Ctrl+U / Cmd+Option+U).
- Search (Ctrl+F) for known app domains:
judge.me,klaviyo,loox.io,stamped.io,yotpo, etc. - Check the Network tab in browser DevTools (F12) to see all external requests. Filter by third-party domains.
Manual is very time consuming if you’re looking for apps in multiple locations, and you need to have an idea of the domain name of the application you’re looking for, limited to apps you know exist. The automated detector comes with a massive database of pre-defined app signatures which can detect applications that you may have never even heard of, detecting apps you wouldn’t even think to search for.
What apps can (and cannot) be detected
Not all apps are visible from the storefront. Here is the breakdown:
Detectable (inject frontend code):
- Review apps (Judge.me, Loox, Yotpo, Stamped)
- Email/SMS marketing (Klaviyo, Omnisend, Privy)
- Live chat (Tidio, Gorgias, Zendesk)
- Upsell/cross-sell apps (ReConvert, Bold Upsell)
- Page builders (PageFly, GemPages, Shogun)
- Variant/swatch apps (Rubik Variant Images, other swatch apps)
- Analytics and tracking (GA4, Hotjar, Lucky Orange)
- SEO apps (JSON-LD injectors, redirect managers)
Not detectable (backend only, no frontend code):
- Inventory management apps
- Order fulfillment apps
- Accounting/tax apps
- Dropshipping sourcing apps (unless they add tracking widgets)
- Print-on-demand backends
Roughly 60 to 70 percent of the apps a typical store uses have some frontend footprint. The ones that matter most for “how does their store look and work” are almost always detectable because they need to inject UI elements.
How to use competitor app intelligence
Knowing what apps a competitor runs is only useful if you do something with it. Here are the smart ways to use this data:
1. Identify what provides the “wow” for your site. That cool product page layout likely comes from a page builder (such as GemPages or PageFly) rather than your theme. Simple swatch templates probably created those swatches and the trust badges were achieved using an app rather than manually coding them. Knowing which app does what will save you time not trying to replicate something by editing theme files.
2. What’s your monthly app spend? Look up the public price of each app found on the store, and add them up together. This store has 12 paid apps ranging from $20 to $50 per app, so that’s $300 / $600 per month just on app spend. Get a feel for what the cost is to run a store of this size.
3. Look for a better app. You might notice that a competitor is spending too much on an underperforming 3.5 star review app when there are many higher rated options that can accomplish the same goal. Or they may have two separate apps doing redundant functions and you can have it all in one app for less. Many merchants find our apps this way. For example, instead of using a swatch app and a variant images app, our Rubik Variant Images app does it all.
4. Avoid conflicts with other applications. Look at the set of applications you are already using and check if adding an application provided by your competitor causes conflicts (e.g. two swatch apps, two popup apps, etc.). Knowing the full stack when planning will help you avoid problems like these.
For stores that need both product page swatches and collection page swatches, detecting what a competitor uses can reveal whether they are running one combined solution or stacking multiple apps. Rubik Combined Listings handles the collection side, Rubik Variant Images handles the product page side, and they are built to work together without conflicts.
Related free tools
- Shopify Theme Detector: Find what theme a store uses.
- Store Analyzer: Full breakdown of a store’s tech stack, speed, and structure.
- SEO Checker: Check on-page SEO setup of any store.
- Product Page Grader: Score a product page for conversion optimization.
- Meta Tag Checker: Validate meta tags and Open Graph data.
Frequently asked questions
How do I find what apps a Shopify store uses?
Use a free app detector tool (explained above). Or manully check page source for signs of apps by viewing page source and doing a find for scripts/tags and domains that you know are related to particular apps.
Can I detect all apps a Shopify store uses?
Note that only theme and website add-ons that inject Frontend Code (scripts, CSS, meta tags) will show up on the list of detectable 6.. Apps. Inventory management apps, accounting apps etc. which are Backend only won’t show up on this list as they don’t touch the content of your site’s store page and therefore leave no trace of their presence on your site.
Is it legal to detect apps on a competitor’s store?
Yes. You are reading publicly accessible source code. This is the same as viewing the JavaScript used on a website with browser developer tools, something every web developer does on a daily basis to fix bugs on websites they use. No private data is being viewed.
Can store owners hide which apps they use?
Not. If an app needed any of that it would have been included in the page code. Stores can not hide portions of an app from the view of customers to get around payment requirements without the functionality of the app being broken.
How accurate are Shopify app detectors?
Very accurate for popular apps with unique signatures. Less reliable for small or new apps that share generic code patterns. The detector finds what is present on the page at the time of scanning. Apps that only load on specific pages (like checkout apps) may be missed if you scan the homepage.
