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Omnisend vs Substack
Omnisend: Ecommerce email + SMS. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Omnisend
- Free tier
- Yes, 250 contacts / 500 emails/mo
- Paid from
- $11.20/mo (Standard, up to 500 contacts); contact-based · pricing page
- Public API
- Yes docs
- MCP server
- Yes · Official MCP at mcp.omnisend.com with help-center guide
- Best for
- Ecommerce email + SMS
- Website
- https://www.omnisend.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?
Omnisend suits ecommerce email + sms. 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 Omnisend alternatives, Substack alternatives, or the full table.