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Sendloop vs Substack
Sendloop: Small businesses wanting simple email marketing. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Sendloop
- Free tier
- Free plan, unlimited subscribers; sending billed $0.01/email
- Paid from
- $39/mo (Pro, up to 45,000 subscribers) · pricing page
- Public API
- Yes docs
- MCP server
- No · Third-party aggregator servers only (Composio)
- Best for
- Small businesses wanting simple email marketing
- Website
- https://sendloop.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?
Sendloop suits small businesses wanting 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 Sendloop alternatives, Substack alternatives, or the full table.