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MailPoet vs Substack
MailPoet: WordPress/WooCommerce sites sending email from WP. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
MailPoet
- Free tier
- Free Starter plan: up to 500 subscribers, 5,000 emails/mo
- Paid from
- $10/mo (Business at 500 subscribers; subscriber-based) · pricing page
- Public API
- Yes docs
- MCP server
- No · None found
- Best for
- WordPress/WooCommerce sites sending email from WP
- Website
- https://www.mailpoet.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?
MailPoet suits wordpress/woocommerce sites sending email from wp. 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 MailPoet alternatives, Substack alternatives, or the full table.