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Privy vs Substack
Privy: Small ecommerce stores growing sales with email and SMS. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.
Privy
- Free tier
- 15-day free trial (no credit card); no permanent free plan
- Paid from
- $30/mo · pricing page
- Public API
- Yes docs
- MCP server
- Community · Third-party viaSocket connector only; no official server
- Best for
- Small ecommerce stores growing sales with email and SMS
- Website
- https://www.privy.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?
Privy suits small ecommerce stores growing sales with email and 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 Privy alternatives, Substack alternatives, or the full table.