ConvertKit vs Substack

A side-by-side comparison to help you pick between ConvertKit and Substack.

ConvertKit

Freemium

Email for creators

Email Marketing

ConvertKit is the email marketing platform for creators.

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Substack

Free

Newsletter and subscription platform

Email Marketing

Substack lets writers publish newsletters and earn from subscriptions.

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ConvertKit or Substack: how to choose

Both ConvertKit and Substack compete in similar territory. ConvertKit sits in the Email Marketing category, covering similar use cases.The right choice usually comes down to pricing model, integrations, and how the tool fits the rest of your stack.

If pricing is the main concern, ConvertKit is freemium and Substack is free. For deeper comparisons, check the dedicated alternatives page for each tool above.