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HubSpot Marketing Hub vs Substack

HubSpot Marketing Hub: Marketing teams on an all-in-one CRM platform. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.

HubSpot Marketing Hub

Free tier
Free marketing tools, email up to 2,000 sends/mo
Paid from
$20/mo/seat (Starter; $7/mo/seat new-customer promo) · pricing page
Public API
Yes docs
MCP server
Yes · Official remote MCP server (mcp.hubspot.com)
Best for
Marketing teams on an all-in-one CRM platform
Website
https://www.hubspot.com

Substack

Free tier
Free to publish, no subscriber cap
Paid from
No monthly fee; 10% of paid subscription revenue plus Stripe fees · pricing page
Public API
Yes docs
MCP server
Community · Community servers on GitHub only
Best for
Writers making money doing the work they believe in
Website
https://substack.com

Which one?

HubSpot Marketing Hub suits marketing teams on an all-in-one crm platform. Substack suits writers making money doing the work they believe in. Pricing changes; the fact tables above link both vendors' live pricing pages. For the rest of the field, see HubSpot Marketing Hub alternatives, Substack alternatives, or the full table.