Home › Compare › EmailOctopus vs Substack
EmailOctopus vs Substack
EmailOctopus: Budget-friendly, simple email marketing. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
EmailOctopus
- Free tier
- Yes, up to 2,500 subscribers / 10,000 emails/mo
- Paid from
- $9/mo (Pro, billed yearly); scales with subscriber count · pricing page
- Public API
- Yes docs
- MCP server
- No · No vendor server; Zapier/Composio aggregators only
- Best for
- Budget-friendly, simple email marketing
- Website
- https://emailoctopus.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?
EmailOctopus suits budget-friendly, simple email marketing. 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 EmailOctopus alternatives, Substack alternatives, or the full table.