How many companies use MailChimp vs Substack?

593 companies use MailChimp and 56 companies use Substack in our database. MailChimp is more widely adopted with 10.6x more companies than Substack.

Can I get a list of companies using both MailChimp and Substack?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

MailChimp is used by 593companies — 10.6x more than Substack (56).

593 use MailChimp56 use Substack

	MailChimp	Substack
Companies	593	56
Category	Marketing automation	Blogs

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649 companies with emails, tech stacks, and contacts

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GET /api/v1/tech?name=mailchimp

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