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Squarespace Email Campaigns vs Substack
Squarespace Email Campaigns: Effortless on-brand email for Squarespace sites. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Squarespace Email Campaigns
- Free tier
- Trial with a paid site subscription: 3 blast campaigns, up to 5,000 sends each; no ongoing free tier
- Paid from
- Separately billed add-on tiered by sends; entry price shown in-account (third-party reports ~$8/mo annual) · pricing page
- Public API
- Yes docs
- MCP server
- Community · Community servers only; official APIs cover commerce, not email
- Best for
- Effortless on-brand email for Squarespace sites
- Website
- https://www.squarespace.com/email-marketing
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?
Squarespace Email Campaigns suits effortless on-brand email for squarespace sites. 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 Squarespace Email Campaigns alternatives, Substack alternatives, or the full table.