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The Algorithmic Boost After Going Paid

The Story

After Tom launched paid subscriptions in mid-2025, something unexpected happened to his free-subscriber growth (Source 1).

“My growth rate for free subscriptions and actually for the paid too, the natural growth rate that I used to experience, it’s like it’s doubled now.” (Source 1).

Tom’s theory for why: “Substack makes money when creators make money, so they boost paid newsletter creators in their algorithm.” (Source 1).

His own framing of the incentive logic: “Think about Substack. What do they want? They want to make more money. How do they make money when I make more money? So they want me to make more money. So they send more subscribers my way.” (Source 1).

The same insight applies in reverse to most creators’ fear: that going paid will slow free growth. Tom’s data suggests the opposite — Substack’s algorithm has reasons to favor newsletters that have demonstrated they can monetize (Source 1).

Lesson for Creators

Platform economics quietly shape distribution. Substack takes a cut of paid subscriptions (10%), so once you flip on monetization, the platform’s revenue is directly tied to yours. That changes the algorithm’s preferences in ways most creators don’t anticipate. The instinct that “going paid will hurt my growth” treats paid and free as a tradeoff. On Substack at least, Tom’s experience suggests the opposite — paid creators get amplified because they pay the rent. The broader lesson: when you decide whether to monetize, read the platform’s revenue model, not just your audience’s reaction. You’re not just adding a paywall, you’re aligning yourself with what the platform wants to promote.

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