How to Find Shopify Stores Using a Specific App or Tech Stack
Build a list of Shopify merchants that use, or are missing, the apps that make your product or service relevant, then verify it before anyone sends an email.

To find Shopify stores using a specific app or tech stack, define the signal that makes a store a fit, pull candidate stores from an ecommerce store database or technology lookup tool, confirm the signal on each storefront, and only then add contacts and outreach. The detection step is the easy part. The value comes from choosing a signal that actually predicts need and from checking it before it shows up in a cold email.
Snipe runs managed cold-email outbound and appointment setting for Shopify apps, ecommerce SaaS companies and agencies that sell to online stores. Tech-stack signals are one of the inputs we use to build a client's Market Map. This guide explains how the method works, where it breaks and how to use it without sending emails that sound like surveillance.
Why prospect Shopify stores by installed app?
A store's apps tell you something a generic company database cannot: how the merchant runs its store today. That matters when your product or service depends on the existing setup.
- Integrations. If your app works with a specific email, reviews, subscription or helpdesk tool, stores already using that tool are easier to onboard and easier to explain value to.
- Replacement. Stores using an older or overlapping tool may be open to a switch, especially if your product removes a cost or a workaround.
- Gaps. A store with heavy paid traffic but no reviews app, or a large catalog with no on-site search tool, may have a problem your product solves.
- Service fit. Agencies can use the stack to find stores that match their specialty, for example brands on a page builder for a CRO agency, or brands on a specific email platform for a retention agency.
The installed app is a reason to look closer, not proof that a merchant wants to buy. Treat it as one field in an account profile alongside category, size, geography and the buyer you need to reach.
Which app and stack signals are worth using?
Pick signals you can explain in one sentence to the merchant. If you cannot say why the signal matters to them, it will not help your reply rate and it may make the email feel invasive.
- Platform. Confirm the store runs on Shopify at all. Many lists mix in stores that migrated to another platform.
- Specific app installed. Useful for integrations and replacements. Strongest when your product has a documented integration or migration path.
- Category of app missing. Useful for gap-based offers, but noisier, because a store may solve the problem in a way detection cannot see.
- Theme and storefront setup. Headless storefronts, page builders and custom themes change what a CRO, development or performance agency can offer.
- Marketing pixels and tools. Ad pixels, email and SMS platforms, and analytics tools suggest which channels the brand invests in.
- Size proxies. Catalog size, number of regional storefronts, traffic estimates and team size help separate a hobby store from an established brand.
Combine one stack signal with one size signal and one fit rule from your best existing customers. That is usually enough to build a first segment worth testing.
How do you check a single store by hand?
Manual checks are slow, but every team should know how to do them, because they are how you confirm what a tool reports.
- Confirm Shopify. View the page source of the storefront. Shopify stores typically reference
cdn.shopify.comand set aShopify.shopvalue with the store'smyshopify.comdomain. - Search for the app. In the same source, search for the app's script domain, its app block or widget class names, or its name. Many storefront apps load scripts from their own domain or through Shopify app embeds.
- Check the visible store. Review widgets, loyalty launchers, chat bubbles, upsell drawers and subscription options on product pages often reveal the tool behind them.
- Use a browser extension. Technology profilers such as BuiltWith and Wappalyzer offer extensions that summarize detected technologies for the page you are on.
Remember the blind spot: apps that run only in the Shopify admin, such as many inventory, accounting or back-office tools, often add nothing to the storefront. No outside method will reliably detect them.
Which tools find Shopify stores by app at scale?
There are two broad kinds of tools, and many teams use one of each.
- Ecommerce store databases. Tools such as Store Leads, StoreInspect and StoreCensus index online stores and let you filter by platform, detected apps, category, country and estimated size. They are built for this exact job.
- General technology profilers. BuiltWith and Wappalyzer detect technologies across many platforms, which helps when your market includes stores on Shopify, BigCommerce, WooCommerce and others.
- App Store reviews. The Shopify App Store shows the store name on each review. Reviews of a complementary or competing app are a free, small source of stores that definitely used it at some point.
- Scraping and enrichment platforms. Some teams scrape storefronts directly or use workflow tools to combine several sources. This gives control, but you own the maintenance and the accuracy checks.
Before you pay for a database, export a sample of stores in your best segment and check twenty of them by hand. Compare filters, export limits, refresh frequency and whether contacts are included, and confirm current pricing with each vendor. Our guide to ecommerce lead databases for SaaS lists the evidence fields to require.
How do you find Shopify Plus and larger stores?
Shopify does not publish a list of Plus merchants, and you cannot confirm a plan from the storefront alone. Store databases flag likely Plus stores using their own methods, so the same store may be flagged by one vendor and not another.
Treat a Plus flag as one input and combine it with signals you can see:
- Separate storefronts or domains for different countries or currencies.
- A large catalog, a wholesale or trade portal, or several brands under one parent company.
- Hiring for ecommerce, retention or performance marketing roles.
- Investment in paid social, retail distribution or marketplace channels.
Estimated revenue and traffic figures in these tools are modeled, not reported by the merchant. They are useful for sorting and excluding, but do not quote them back to a prospect.
How do you verify the list before outreach?
A stack list gets stale quickly. Stores install, test and remove apps all the time, and a database may have last crawled a store weeks ago. Before contacting an account:
- Re-check the signal on the live storefront for any account where the email will mention it.
- Remove exclusions: existing customers, open deals, partners, agencies' current clients and stores that have migrated off Shopify.
- Find the right buyer. At smaller brands this is often the founder. At larger ones it may be a head of ecommerce, growth, retention or operations, depending on what you sell.
- Verify emails before sending, and keep catch-all and unverifiable addresses in a separate, smaller test.
- Record the source of every signal so anyone on your team can see why an account is on the list.
How do you turn a tech-stack list into sales calls?
The list only earns money if the message makes the signal relevant to the merchant. A few rules hold up well:
- Lead with the outcome, not the detection. "We help brands on Klaviyo recover more abandoned subscriptions" reads better than "I saw you have Klaviyo installed."
- Use the signal to choose the segment and the proof. Integration users get integration proof. Replacement targets get a migration story. Gap targets get a short explanation of the problem.
- Keep the first ask small. Offer a short call, a relevant example or an audit only if you can deliver it without inventing findings.
- Protect deliverability. Send from dedicated domains with a controlled ramp, not from your primary domain. See the cold email deliverability guide.
- Follow the rules. Include a clear opt-out and your business address, and check the requirements for the countries you email. Read is cold email legal? for an overview.
Then handle replies quickly and measure the right stages: stores contacted, interested replies, booked calls, held calls and new customers by segment. A stack signal that produces replies but no held calls with fitting merchants is not a good signal for your business. If you sell an app, our guide to selling software to Shopify merchants covers qualification. Agencies should start with cold email for ecommerce agencies.
You can sketch your first segment for free with the Ecommerce Market Map Builder.
Frequently asked questions
How can I see which apps a Shopify store uses?
Open the storefront, view the page source and search for app script domains, app block names or known widget markup. Technology lookup tools and ecommerce store databases do the same detection at scale. Apps that run only in the Shopify admin usually leave no storefront trace, so they cannot be detected this way.
Is there a free way to find Shopify stores using an app?
Yes, for small lists. Read the reviews on the app's Shopify App Store listing, which show the reviewing store's name, then confirm each store by hand in the page source. Free tiers and browser extensions of technology lookup tools help with single-store checks. Building thousands of accounts usually needs a paid database.
How accurate is Shopify app detection?
It is a useful estimate, not a record. Detection depends on what the app loads on the storefront and on when the store was last crawled. Stores add and remove apps often, so re-check the signal for any account you plan to contact.
Can I tell if a store is on Shopify Plus?
Not with certainty from the outside. Databases flag likely Plus stores using their own methods, and those flags differ by vendor. Treat a Plus flag as one input and combine it with size signals such as multiple regional storefronts, catalog size and team size.
Where should you start?
Bring the apps your best customers use, the integrations you support and the type of merchant you close most often. On a call, Leon walks through a Market Map of fitting Shopify stores and the first offer we would test. Snipe builds the map in your name, runs the outreach and books calls your team closes.