Best Newsletter Platforms

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Kit (formerly ConvertKit) vs Mailchimp

Kit (formerly ConvertKit): Email-first operating system for creators. Mailchimp: Email and SMS marketing minus the learning curve. Same fact set for both, straight from each vendor's docs.

Kit (formerly ConvertKit)

Free tier
Free Newsletter plan, up to 10,000 subscribers
Paid from
$39/mo (Creator, at 1,000 subscribers); subscriber-based · pricing page
Public API
Yes docs
MCP server
Yes · Official Kit MCP (app.kit.com/mcp) plus docs MCP
Best for
Email-first operating system for creators
Website
https://kit.com

Mailchimp

Free tier
Free plan, up to 500 contacts (500 sends/mo)
Paid from
$13/mo (Essentials, 500 contacts); scales with contact count · pricing page
Public API
Yes docs
MCP server
Yes · Official MCP for Transactional (Mandrill) in dev docs; Marketing API MCPs are community
Best for
Email and SMS marketing minus the learning curve
Website
https://mailchimp.com

Which one?

Kit (formerly ConvertKit) suits email-first operating system for creators. Mailchimp suits email and sms marketing minus the learning curve. Pricing changes; the fact tables above link both vendors' live pricing pages. For the rest of the field, see Kit (formerly ConvertKit) alternatives, Mailchimp alternatives, or the full table.