r/Substack↗
A place to discuss Substack, the newsletters, and the platform. (No self-promotion)
61k subscribers378 posts / mo in Sep 2026 (incl. <1% by known bots)333 authors / mosince 2019
r/Substack has 61k members (+67% over the last 12 months). It gets about 378 posts a month from 333 people. Top topics: Subscribers Celebrations, YouTube Subscribers and Book Marketing.
When to post on r/Substack
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How r/Substack has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Substack
Top topics
Share of the subreddit's posts
- Subscribers Celebrations1.3%
- YouTube Subscribers0.8%
- Book Marketing0.7%
- YouTube Growth0.5%
- Subscribers Milestones0.4%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Medium
- beehiiv
- ghost.org
- arXiv.org e-Print archive
- Notion
Everything else about r/Substack
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research