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BigMailer vs Substack
BigMailer: Email marketing for agencies and multi-brand teams. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
BigMailer
- Free tier
- Free Startup plan, up to 1,000 contacts (bring-your-own Amazon SES)
- Paid from
- $7.50/mo per 5,000 contacts (Business Lite); contact-count based · pricing page
- Public API
- Yes docs
- MCP server
- No · None found
- Best for
- Email marketing for agencies and multi-brand teams
- Website
- https://www.bigmailer.io
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?
BigMailer suits email marketing for agencies and multi-brand teams. 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 BigMailer alternatives, Substack alternatives, or the full table.