personal philosophy newsletters

NewsletterFIT tracks 6 newsletters that cover personal philosophy as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are RΛISINI (47K), Sarah Haider (11K) and Lifematics (7K).

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    RΛISINI 47K subscribers

    Substack Every two weeks · last post 16 days ago

    Likely audience: self-reflective individuals

  2. 2
    Sarah Haider 11K subscribers

    Substack Monthly or less · last post 55 days ago

    Likely audience: cultural commentators

  3. 3
    Lifematics 7K subscribers

    Substack Monthly or less · last post Aug 23, 2026

    Likely audience: Self-improvement readers

  4. 4

    Substack last post Mar 1, 2026

    Likely audience: Christian readers

  5. 5

    Substack last post Oct 31, 2024

    Likely audience: Substack readers

  6. 6

    Substack last post Feb 18, 2025

    Likely audience: Philosophers

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