Software Alternatives, Accelerators & Startups

Substly VS StackScan

Compare Substly VS StackScan and see what are their differences

Substly logo Substly

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

StackScan logo StackScan

Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.
  • Substly Landing page
    Landing page //
    2023-02-02

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 user frustrations. It also helps optimize SaaS spending by providing alerts before renewals and eliminating spending on unused accounts. Additionally, it helps avoid unauthorized access to company data by improving employee off-boarding, allowing departments/teams to minimize SaaS sprawl and share an overview with other stakeholders.

Customers highlight the following four aspects of Substlyโ€™s product: - The overview and the control it leads to (regarding costs & who has access) - Great for showcasing status/costs internally - The simplicity of the system - Easy to get started (intuitive and short learning curve)

  • StackScan Keyword Scan
    Keyword Scan //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10

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, Webflow, and thousands of other technologies.

The platform provides practical filtering tools that allow users to narrow results by country, TLD, industry, or specific technology combinations. This makes it useful for building targeted lead lists, researching competitors, discovering niche markets, or identifying companies using certain software stacks for outreach and partnerships.

StackScan also supports bulk data downloads, keyword-based website discovery, and structured reporting to simplify large-scale research workflows. With continuously refreshed datasets and scalable search capabilities, it enables marketers, agencies, analysts, and growth teams to access actionable web intelligence quickly and efficiently.

Substly

$ Details
paid Free Trial โ‚ฌ2.5 / Monthly (Essentials Plan)
Platforms
Browser
Release Date
2021 January
Startup details
Country
Sweden
City
Gothenburg
Founder(s)
Ola Stรฅl
Employees
1 - 9

StackScan

$ Details
paid $39.0 / Monthly
Platforms
-
Release Date
2026 January
Startup details
Country
Canada
State
ON
City
Toronto
Employees
10 - 19

Substly features and specs

  • 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.

StackScan features and specs

  • 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.

Analysis of StackScan

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

Substly videos

Explainer video

StackScan videos

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

Add video

Category Popularity

0-100% (relative to Substly and StackScan)
Subscription Management
100 100%
0% 0
Lead Acquisition
0 0%
100% 100
SaaS Management
100 100%
0% 0
Business Growth Tools
0 0%
100% 100

Questions & Answers

As answered by people managing Substly and StackScan.

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

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Substly and StackScan

Substly Reviews

  1. Tobias Larsson
    ยท Business Developer at Founders Loft ยท
    Keeping track of all subscriptions just got (much) easier

    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 great value for the money.

    ๐Ÿ‘ Pros:    Easy to use|Great customer support|Great value for the money|Lower cost|Saves a ton of time|Great for collaboration
    ๐Ÿ‘Ž Cons:    Slack and teams notification
  2. magnus Orrebrant
    ยท marketing at Svenska Rovdjursfรถreningen ยท
    better control of our saas spending

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

    ๐Ÿ‘ Pros:    Overall quality|Lower cost|Easy user interface|Short learning curve|Overview of cost spend
    ๐Ÿ‘Ž Cons:    None
  3. Richard Uddh
    ยท Sales Manager at FlexIT Distribution ยท
    Best way to spend money, to save money!

    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 been particularly helpful in this regard. Additionally, the offboarding feature has streamlined the process of removing software access for departing employees.

StackScan Reviews

  1. Joe
    ยท Working at pFind ยท
    Amazing deal

    While itโ€™s still in early stage, its lifetime deal is really a great value. Must get if youโ€™re into lead generation.

    ๐Ÿ‘ Pros:    Lifetime plans available|Data accuracy|Data quality|Lead generation|Affordable price
    ๐Ÿ‘Ž Cons:    None so far

What are some alternatives?

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

Torii - SaaS Management Software.

BuiltWith - Find out the technology behind websites

Cledara - We help companies bring visibility and control to their ever-growing #SaaS stack.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

TrackMySubs - Subscription tracking and management solution

W3Techs - W3Techs provides information about the usage of various types of technologies on the web.