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Best Newsletter Advertising and Sponsorship Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Newsletter advertising and sponsorship as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Chicago’s Substack (10K) and podupai (1K).

Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Chicago’s Substack10K subscribers

    SubstackWeekly · last post yesterday

    Food, Entertainment, & News

    Likely audience: Chicago South Side residents

  2. 2
    Trending Romance—

    SubstackWeekly · last post 10 days ago

    💖 Discover your next romance obsession with our weekly Most Read Romances list and our monthly Trending Romance list.

    Likely audience: romance readers

  3. 3
    podupai1K subscribers

    Substacklast post Dec 17, 2023

    You’re late. AI has already changed the game. Avoid being left behind with actionable AI advice from the world’s best podcasts.

    Likely audience: business leaders

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