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FluentCRM vs Substack

FluentCRM: Email marketing automation inside WordPress. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.

FluentCRM

Free tier
Free core plugin on WordPress.org; Pro adds advanced features
Paid from
$90/yr single-site license (reg. $129/yr) · pricing page
Public API
Yes docs
MCP server
Community · Community MCP servers on GitHub; none official.
Best for
Email marketing automation inside WordPress
Website
https://fluentcrm.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?

FluentCRM suits email marketing automation inside wordpress. 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 FluentCRM alternatives, Substack alternatives, or the full table.