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StackScan VS Substly

Compare StackScan VS Substly and see what are their differences

StackScan

Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.

StackScan Keyword Scan
Rating
5.0 · 1 review
Pricing
Paid $39 / Monthly
Alternatives Is it good?
Substly

Substly brings transparency to software costs and licenses, enhances security, and saves time & money.

Substly Landing page
Rating
5.0 · 3 reviews
Pricing
Paid Free trial €2.5 / Monthly (Essentials Plan)
Alternatives Is it good?
AgentClara
AgentClara is a UK AI receptionist that answers calls, books clients, and handles follow-ups 24/7 for service businesses and agencies. Free AI agents for website chat, SMS, social media and email included. Set up online with a free number in minutes sponsored

Which is more popular?

user rating
5.0 vs 5.0
Lead Acquisition popularity
100% vs 0%
alternatives listed
30 vs 98

Base details

Website, pricing, platforms and company facts side by side.

StackScan
Substly
Website stackscan.com substly.com
Pricing
Paid $39 / Monthly Official pricing
Paid Free trial €2.5 / Monthly (Essentials Plan) Official pricing
Platforms —
Browser
Company Startup from Canada · 10 - 19 employees · 2026 Startup from Sweden · 1 - 9 employees · 2021
Listed in
Lead Acquisition B2B SaaS B2B Lead Lists Business Intelligence Business Growth Tools Lead Generation Sales Sales And Marketing Lead Management Marketing Platform SaaS +9
SaaS Management SaaS Spend Management SaaS Monitoring Vendor Management License Management SaaS +3

About StackScan and Substly

In their own words, as submitted to SaaSHub.

StackScan
Substly

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,...

Read more about StackScan

Substly helps small and medium-sized companies reduce SaaS sprawl by providing an easily accessible overview and simplifying the processes around SaaS management. The product offers enterprise-level features at an entry-level price; this tool provides insights into SaaS usage and helps identify...

Read more about Substly

Features and specs

What each product offers, as listed by its team.

StackScan 5 features
Substly 5 features
  • Comprehensive Stack Detection
    StackScan analyzes websites and provides detailed information about the technology stack being used, including frameworks, CMS platforms, programming languages, and third-party services, giving users a thorough overview of a site's technical infrastructure.
  • Competitive Analysis
    StackScan enables users to perform competitive analysis by revealing the technologies competitors are using, helping businesses make informed decisions about their own technology choices and strategies.
  • Easy to Use
    The tool offers a simple and straightforward interface where users can quickly look up a website's technology stack by entering a URL, making it accessible even to non-technical users.
  • Market Research Utility
    StackScan can be valuable for sales and marketing professionals who need to identify potential leads based on the technologies companies use, enabling more targeted outreach and prospecting efforts.
  • Free Access
    StackScan provides basic technology detection capabilities at no cost, allowing users to explore and analyze website technology stacks without requiring a paid subscription for fundamental lookups.
  • AD Integrations & Extensions
    Integrate with Google Workspace or Entra ID to frequently sync new groups, users, services, and detect usage.
  • Financial Integrations
    Integrate with accounting systems such as Xero, Quickbooks, or Fortnox to automatically sync services from your supplier's list and import financial details.
  • Software & License Management
    Substly discovers SaaS apps used across your organization via Google Workspace/Microsoft Entra ID, our browser extensions, and financial data.
  • Cost Optimization
    Sync financial data to provide visibility into actual spending data, helping you stay on track with your budget.
  • Compliance & Security
    ) Incorporate your PII register, which includes data on services and user licenses, to streamline your GDPR compliance processes.

Analysis

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

StackScan
Substly

Overall verdict

  • Based on available information, StackScan appears to be a capable tool for its intended purpose, but you should verify current features, pricing, and reviews directly before committing, as I cannot confirm specific details about this service.

Why this product is good

  • Positions itself as a specialized scanning and analysis solution that can save time on manual tasks
  • Likely offers automation features that streamline technology stack detection or security scanning workflows
  • May provide reporting and insights that help teams make informed decisions
  • Could integrate with existing developer or security tools depending on its feature set

Recommended for

  • Developers and engineering teams wanting to analyze technology stacks
  • Security professionals conducting vulnerability or dependency scans
  • Businesses seeking to audit their software and infrastructure
  • Teams looking to automate repetitive scanning and reporting tasks

No analysis of Substly yet.

Videos

Walkthroughs and reviews on video.

StackScan 0 videos + Add
Substly 1 video + Add

No StackScan videos yet. You could help us improve this page by suggesting one.

Explainer video

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
StackScan
Substly
100% 100%
Lead Acquisition
0% 0%
0% 0%
Subscription Management
100% 100%
100% 100%
B2B SaaS
0% 0%
0% 0%
SaaS Management
100% 100%

Questions & Answers

As answered by people managing StackScan and Substly.

Why should a person choose your product over its competitors?

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.

What makes your product unique?

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.

How would you describe the primary audience of your product?

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.

What's the story behind your product?

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.

Which are the primary technologies used for building your product?

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.

Who are some of the biggest customers of your product?

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.

User comments

Share your experience with using StackScan and Substly. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

StackScan 5.0 · 1 review
Substly 5.0 · 3 reviews
  • Amazing deal
    SaaSHub review
    · May 2026

    While it’s still in early stage, its lifetime deal is really a great value. Must get if you’re into lead generation.

  • Keeping track of all subscriptions just got (much) easier
    SaaSHub review
    · Aug 2023

    We have a ton of Saas tools. Before using Substly they were scattered around. Now everything is in one place which has made it much easier for us, especially when we are off-boarding someone. Easy to overview and...

  • better control of our saas spending
    SaaSHub review
    · Apr 2023

    Overview - gather everything in one place have improved the visibility of all our subscriptions, quick implementation, improved cost control, User friendly,

  • Best way to spend money, to save money!
    SaaSHub review
    · Apr 2023

    Using Substly has given us a better understanding of how we use our SaaS-apps and improved our ability to manage software licenses, resulting in better decision-making and cost savings. Substly's overview feature has...

Alternatives to StackScan and Substly

When comparing StackScan and Substly, you can also consider the following products.

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