Best Newsletter Subscriber Growth Newsletters in 2026
NewsletterFIT tracks 4 newsletters that cover Newsletter subscriber growth as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are AI Operator (4K) and Stefan's Stories (1K).
Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology
- 1AI Operator 4K subscribers
SubstackWeekly · last post 13 days ago
Weekly Playbooks & SOPs from inside a $25M internet business portfolio — steal it, install it, run leaner by Friday
Likely audience: Content creators
- 2Stefan's Stories1K subscribers
SubstackSeveral times a week · last post 10 days ago
From recent posts: Stefan's Stories publishes short fiction pieces across horror and worldbuilding genres. Recent issues include an oral story about a narrator betraying priests during a war, a first-person horror story set in a…
Likely audience: fiction readers
- 3
Substacklast post May 24, 2025
A arte da catarse, servida em xícaras e palavras. Uma newsletter sobre livros, sentimentos e tudo que ferve dentro.
Likely audience: newsletter subscribers
- 4
Substacklast post Dec 30, 2024
Sharing thoughts, lessons, and opinions from my various journeys along my career. Hoping to help anyone open to a different POV.
Likely audience: newsletter writers
Latest posts from these newsletters
- It Was…Stefan's Stories
- Weekly Q&A:…AI Operator
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- I am…AI Operator
- Tasting the…Stefan's Stories
- What Maren…Stefan's Stories
- Weekly Q&A:…AI Operator
- [FULL GUIDE]…AI Operator