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MailWizz vs Substack
MailWizz: Self-hosters and agencies running their own ESP. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
MailWizz
- Free tier
- No free plan; self-hosted software sold as yearly or lifetime license
- Paid from
- $59/yr or $79 one-time lifetime (Regular license) · pricing page
- Public API
- Yes docs
- MCP server
- No · Third-party aggregator servers only (Pipedream, Zapier)
- Best for
- Self-hosters and agencies running their own ESP
- Website
- https://www.mailwizz.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?
MailWizz suits self-hosters and agencies running their own esp. 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 MailWizz alternatives, Substack alternatives, or the full table.