Substack on Reddit
substack.comsince Mar 2010 · through Sep 2026Established
Substack (substack.com) has been mentioned in 334,193 Reddit threads by 154,335 people across 2,411 subreddits since Mar 2010. Mentions over the last 12 months are 23% lower than the year before. It comes up most in r/IndianStockMarket, r/pwnhub and r/WeirdGOP. Common topics: Stocks & Investing, Writing and Tech News & Discussion.
How often Reddit talks about Substack
Mentions
334K
Reddit threads, all time
People
154K
who mentioned it, known bots left out
Subreddits
2,411
communities where it came up
Last 12 months
-23%
mentions vs the 12 months before
Mentions over time
Monthly brand mentions across Reddit
Where people talk about Substack
Top communities
Subreddits with the most mentions
Common topics
What the threads that mention it are about
- Stocks & Investing
- Writing
- Tech News & Discussion
- Ethics & Philosophy
- Startups & Entrepreneurship
- Career
- Crypto
- Artificial Intelligence & Machine Learning
Brands like Substack
Brands that Reddit mentions alongside Substack, in the same threads and communities.
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Who talks about Substack on Reddit
Gender and age of the people who mention Substack, the countries they live in, their jobs, whether a few regulars carry the talk, and the tone of the comments.
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The communities around Substack
A map of the subreddits where Substack comes up, grouped by shared members, with mention counts, the audience groups behind them and the topics they cover.
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When Substack went viral on Reddit
Months when mentions of Substack jumped far above the usual, and how big each jump was.
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What people ask about Substack
How many posts about Substack describe a problem, ask for a recommendation or share a personal story, with the real posts behind each.
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See all of Substack on Reddit
Mentions through Sep 2026. A mention is a Reddit thread that links to the brand's site or writes its domain. Read from the same data the app runs on. Our research