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Mailmodo vs Substack
Mailmodo: Interactive emails that drive conversions. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Mailmodo
- Free tier
- No free plan; 21-day free trial
- Paid from
- $149/mo (Lite, billed annually) · pricing page
- Public API
- Yes docs
- MCP server
- Yes · Official mailmodo-mcp server on the vendor's GitHub org (contacts, campaigns, templates).
- Best for
- Interactive emails that drive conversions
- Website
- https://www.mailmodo.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?
Mailmodo suits interactive emails that drive conversions. 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 Mailmodo alternatives, Substack alternatives, or the full table.