SaaS business models newsletters

NewsletterFIT tracks 6 newsletters that cover SaaS business models as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are AI觀察日記 AI未來週報 | (AI觀察家 訂閱計劃) (21K), Minutes (5K) and Brian Balfour (57K).

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    AI觀察日記 AI未來週報 | (AI觀察家 訂閱計劃) 21K subscribers

    Substack Several times a week · last post 15 days ago

    Likely audience: Product Managers

  2. 2
    Minutes 5K subscribers

    Substack Monthly or less · last post 24 days ago

    Likely audience: SaaS founders

  3. 3
    Venture Radar —

    Substack Weekly · last post 20 days ago

    Likely audience: side hustlers

  4. 4
    Brian Balfour 57K subscribers

    Substack last post Oct 2, 2025

    Likely audience: Product managers

  5. 5
    CleverUI —

    Substack last post Oct 30, 2025

    Likely audience: UX designers

  6. 6
    Small Tech Business —

    Substack last post Jun 3, 2021

    Likely audience: SaaS entrepreneurs

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