Mailchimp icon

Mailchimp

★★★★ 4.3
VS
Substack icon

Substack

★★★★ 4.4
Feature Mailchimp Substack
Pricing Free / from $13/mo Free / from $0/mo
Free Plan ✓ Yes ✓ Yes
Rating 4.3 / 5 4.4 / 5
Best For small-businesses, startups, solopreneurs, e-commerce independent-writers, journalists, newsletter-creators, thought-leaders
Founded 2001 2017
Email Campaigns
Automation
Landing Pages
Audience Segments
Analytics
Templates
A B Testing
Newsletter
Paid Subscriptions
Podcast Hosting
Community Chat
Recommendations
Notes

✓ Mailchimp Pros

  • Free tier for up to 500 contacts
  • Easy drag-and-drop email builder
  • Built-in automation workflows
  • Good reporting and analytics

✗ Mailchimp Cons

  • Gets expensive as list grows
  • Automation less powerful than competitors
  • Limited A/B testing on lower plans

✓ Substack Pros

  • Completely free to start — no monthly fees
  • Built-in paid subscription infrastructure
  • Network effects from Substack recommendations
  • Simple writing interface without distractions

✗ Substack Cons

  • 10% cut of paid subscriber revenue
  • Limited design and branding customization
  • No automation or complex email sequences

The Verdict

Mailchimp is built for small businesses and startups, with a focus on email-campaigns and automation. Substack targets independent writers and journalists and leads with newsletter and paid-subscriptions.

On pricing, Substack is the clear winner for budget-conscious users — starting at $0/mo compared to $13/mo for Mailchimp. That $13/mo difference adds up quickly for growing teams.

Both offer free plans, so you can test each with your real workflow before committing to a subscription.

This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.

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