Best Subscription Upgrade Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Subscription upgrade as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Food is Stupid (8K) and REWILD - liberatory letters from a radical misfit (3K).

Updated Nov 13, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Food is Stupid8K subscribers

    SubstackEvery two weeks · last post 20 days ago

    My name is Dennis Lee, aka Dannis Ree, and I'm a Chicago-based food writer whose main goal is to ruin food for everyone. Especially you.

    Likely audience: home cooks

  2. 2

    SubstackSeveral times a week · last post 8 days ago

    From recent posts: The newsletter serves as a final reminder for an upcoming live workshop on fertility awareness and reproductive sovereignty, encouraging readers to learn body literacy to avoid unwanted pregnancies without state involve…

    Likely audience: women interested in reproductive health

  3. 3

    SubstackEvery two weeks · last post 32 days ago

    Candid notes from a founder who turned $80k into a $20 million brand & freshly-exited after mastering a meaningful sale. Expect real how-to's, unfiltered lessons, hard-won tips, trusted industry referrals & a…

    Likely audience: founders

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