Substack platform features newsletters

NewsletterFIT tracks 3 newsletters that cover Substack platform features as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Feifei’s Substack (58K), Sparkle on Substack (12K) and BettBeat’s Newsletter (7K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Feifei’s Substack58K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Likely audience: Independent newsletter writers

  2. 2
    Sparkle on Substack12K subscribers

    SubstackEvery two weeks · last post 20 days ago

    Likely audience: Newsletter publishers

  3. 3
    BettBeat’s Newsletter7K subscribers

    SubstackWeekly · last post 17 days ago

    Likely audience: Political commentators

Latest posts from these newsletters

Browse all topics