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Constant Contact vs Substack
Constant Contact: Digital and email marketing for small businesses. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Constant Contact
- Free tier
- No free plan; 30-day free trial
- Paid from
- $12/mo (Lite); contact-count based · pricing page
- Public API
- Yes docs
- MCP server
- Community · Community/third-party MCP servers only
- Best for
- Digital and email marketing for small businesses
- Website
- https://www.constantcontact.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?
Constant Contact suits digital and email marketing for small businesses. 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 Constant Contact alternatives, Substack alternatives, or the full table.