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ActiveCampaign vs Substack
ActiveCampaign: Marketing automation plus CRM. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
ActiveCampaign
- Free tier
- No free plan; 14-day free trial
- Paid from
- $15/mo (Starter, 1,000 contacts); contact-based · pricing page
- Public API
- Yes docs
- MCP server
- Yes · Official remote MCP server in developer docs
- Best for
- Marketing automation plus CRM
- Website
- https://www.activecampaign.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?
ActiveCampaign suits marketing automation plus crm. 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 ActiveCampaign alternatives, Substack alternatives, or the full table.