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MailBluster vs Substack
MailBluster: Sending bulk email at low cost via Amazon SES. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
MailBluster
- Free tier
- Free Starter plan: 3,000 emails one-time, MailBluster branding
- Paid from
- $60/yr Pro (per brand) + $0.60 per 1,000 emails · pricing page
- Public API
- Yes docs
- MCP server
- Community · No vendor MCP; community connectors via Pipedream and Composio.
- Best for
- Sending bulk email at low cost via Amazon SES
- Website
- https://mailbluster.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?
MailBluster suits sending bulk email at low cost via amazon ses. 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 MailBluster alternatives, Substack alternatives, or the full table.