Compare

Mailchimp vs Postmark

Postmark is for transactional emails only, whereas Mailchimp covers bulk marketing and AI features.

Which to pick

Pick Mailchimp if you want…

  • AI-enhanced email & SMS marketing
  • The lower starting price: $13/month against $15/month
  • Integrations with Shopify, WooCommerce or Wix (on Mailchimp's list, not Postmark's)

Pick Postmark if you want…

  • Fast, reliable transactional email
  • Transactional email only
  • Integrations with Python, Ruby or PHP (on Postmark's list, not Mailchimp's)

Side by side

What it is
Mailchimp:Mailchimp is an email and SMS marketing platform with AI-powered automation and templates.
Postmark:Postmark is an email delivery service for sending transactional and marketing emails via API or SMTP.
Best for
Mailchimp:AI-enhanced email & SMS marketing
Postmark:Fast, reliable transactional email
Who it’s for
Mailchimp:Businesses, nonprofits, creators and professionals who need email/SMS campaigns.
Postmark:Developers and teams needing reliable email delivery.
Pricing
Mailchimp:Freemium
Postmark:Freemium
Plans
Mailchimp:Free $0 · Essentials $13 per month · Standard $20 per month · Premium $297 per month
Postmark:Free $0.00/mo · Basic $15.00/mo per month · Pro $16.50/mo per month · Platform $18.00/mo per month
Works with
Mailchimp:Shopify, WooCommerce, Wix
Postmark:Python, Ruby, PHP, cURL, SMTP

Mailchimp features

  • Drag-and-drop email builder. Create professional emails using a visual editor and 300+ templates.
  • Generative AI content tools. AI suggests headlines, designs and on-brand copy in seconds.
  • Always-on automations. Set up automated email/SMS flows that run based on real-time behavior.
  • E-commerce integrations. Connect to Shopify, WooCommerce, Wix and other stores to sync data.
  • Predictive segmentation. AI predicts customer buying behavior for targeted campaigns.
  • A/B & multivariate testing. Test subject lines, designs and send times to optimise performance.

Postmark features

  • Industry-leading deliverability. Ensures emails reach inboxes quickly with vetted IPs and strict spam controls.
  • Message Streams. Separates transactional and marketing emails on parallel infrastructures.
  • Inbound email processing. Converts inbound emails to JSON and forwards via webhooks.
  • Detailed analytics. Provides bounce data, open/link tracking, and activity retention.
  • Official SDKs. Libraries for many languages (Node, Python, Ruby, PHP, .NET, etc.) for easy integration.
  • Sandbox mode. Test email sending without affecting real recipients.

Mailchimp vs Postmark FAQ

Is Mailchimp or Postmark free?+

Mailchimp has a free plan; paid plans start at $13/month (Essentials). Postmark has a free plan; paid plans start at $15/month (Basic).

Which is cheaper, Mailchimp or Postmark?+

Mailchimp is cheaper to start with: Mailchimp's Essentials plan ($13/month) against Postmark's Basic plan ($15/month).

Do Mailchimp and Postmark integrate with the same tools?+

Their integration lists don't overlap: Mailchimp lists Shopify, WooCommerce and Wix; Postmark lists Python, Ruby, PHP, cURL and 1 more.

On DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.