
BuiltWith
Wappalyzer
W3Techs
TheirStack
WhatRuns
Hunter.io
ZoomInfo
Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.

Hotjar
Google Analytics
FullStory
Mixpanel
Heap
Crazy Egg
Mouseflow
Qualitative analytics for websites and mobile apps Start understanding the 'whys' of your users' behaviors with clear, visual insights. With session recordings and event tracking, you get the complete picture.

Which is more popular?
Based on our record, Smartlook seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | stackscan.com | smartlook.com |
| Pricing | ||
| Company | Startup from Canada · 10 - 19 employees · 2026 | Startup from the Czech Republic · 10 - 19 employees · 2016 |
| Listed in |
In their own words, as submitted to SaaSHub.


StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce,...
Smartlook is a qualitative analytics solution for web and mobile helping over 250,000 businesses of all sizes and industries answer the “whys” behind users’ actions — why do users churn, or why aren’t they using a feature, or why are they skipping onboarding? Now you can eliminate the guesswork....
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing StackScan and Smartlook.
StackScan's answer
StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.
StackScan's answer
StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.
StackScan's answer
StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.
StackScan's answer
StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.
StackScan's answer
StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.
StackScan's answer
StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.
Share your experience with using StackScan and Smartlook. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


While it’s still in early stage, its lifetime deal is really a great value. Must get if you’re into lead generation.
Smartlook is an advanced analytics tool that provides real-time insights into user behaviors and experiences. Understand how users engage with your products, and identify areas for improvement in your customer...
Another key consideration is that Smartlook provides most of its features on the Pro plan, whereas Hotjar limits features by plan. For example, trend analysis is only available in the Scale plan—which starts at $171...
is the product manager at Smartlook. Martin is enthusiastic about delivering the best possible customer experience. Prior to joining Smartlook as a product manager, he used to work as a consultant for Oracle NetSuite....
Recommendations tracked on public social media and blogs since March 2021.


Tracking StackScan since May 2026.
Check out - smartlook.com. Just started with it yesterday and so far so good. Source: over 3 years ago
In other words, the site should fail gracefully if smartlook.com or whatever is blocked. Source: about 4 years ago
When comparing StackScan and Smartlook, you can also consider the following products.


The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
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Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
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Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
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W3Techs provides information about the usage of various types of technologies on the web.
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Meet FullStory, the app that captures all your customer experience data in one powerful platform.
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