Substack
Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.
Get all 14 companies using Substack
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Companies
14
Top Country
US
Top Industry
News
Adoption Insights
Substack is used by 14 companies in our database, representing approximately 0.00% of all tracked websites. The most common industry using Substack is News, and adoption is strongest in US.
Top Countries Using Substack
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How We Detect Substack
The Web Radar detects Substack by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is Substack?+
Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.
How many companies use Substack?+
14 companies in our database use Substack, representing approximately 0.00% of all tracked websites.
What industries use Substack the most?+
The top industries using Substack are News, Internet, Mobile Apps.
What countries use Substack the most?+
The top countries using Substack are US.
Is Substack popular?+
Substack is used by 14 companies, making it a notable Blogs technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026