Best Beta Testing Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Beta Testing as a primary topic, 1 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are The Lunduke Journal of Technology (9K) and Airmail App (4K).

Updated Nov 6, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Lunduke Journal of Technology9K subscribers

    SubstackSeveral times a week · last post 3 days ago

    From recent posts: The Lunduke Computer Operating System 1.0 is set to release on November 1st, with the publication announcing a 'pay what you want' subscription model to fund hardware testing and name contributors in the OS.

    Likely audience: Open source enthusiasts

  2. 2
    Airmail App4K subscribers

    Substacklast post Jun 26, 2026

    From recent posts: Airmail App publishes technical guides and FAQs for its email client, covering pricing, hardware compatibility, and cross-device setup. The content targets users seeking specific instructions for managing email across…

    Likely audience: Email users seeking a native Apple client

  3. 3
    metronome—

    Substacklast post Jun 12, 2025

    monthly-ish music updates from dilip

    Likely audience: Music enthusiasts

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