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Mailchimp

Intuit Mailchimp

6

Overall Score / 10

vsDifferent jobs — depends on your workflow

Substack

Substack Inc.

7.1

Overall Score / 10

Our Verdict

Different jobs — depends on your workflow

Choose Mailchimp if:

  • Small businesses starting email marketing
  • E-commerce stores needing built-in product recommendations
  • Teams wanting an all-in-one marketing suite

Choose Substack if:

  • Writers who want the simplest possible setup
  • People who value Substack's built-in network and recommendations
  • Writers focused on paid subscriptions

The biggest difference: Mailchimp is a full email marketing platform with automations, templates, and e-commerce integrations starting free for 250 contacts. Substack is a zero-setup newsletter platform with built-in paid subscriptions but takes a 10% revenue cut.

Side-by-Side Comparison

CriteriaMailchimpSubstack
Cheapest Paid Plan$13/mo (Essentials)Source: Intuit Mailchimp pricing page →Free onlySource: Substack Inc. pricing page →
Free TierYes

Up to 250 contacts, 500 emails/month, 1 audience, basic templates, limited reporting

Yes

Free to use; Substack takes 10% cut of paid subscriptions + Stripe fees

Value for Money
5
7
Ease of Use
7
10
Feature Power
8
4
Setup Ease
8
10
Migration Ease
5
6
Transparency
4
7
Deploymentcloudcloud
API AvailableYesNo
PlatformsWeb, iOS, AndroidWeb, iOS, Android
ComplianceGDPR tools available, SOC 2Basic GDPR tools
Data independently verifiedLast verified: March 2026Scoring methodology →Source policy →

Feature Comparison

Feature Comparison Matrix

22 features compared · 22 differences

FeatureMailchimpSubstack
Core
ChatNoneFull
Comments and community discussionNoneFull
Content optimizerFullNone
Landing pagesFullNone
Mobile appNoneFull
Newsletter publishingNoneFull
Podcast hostingNoneFull
PostcardsFullNone
Recommendations networkNoneFull
Advanced
A/B testingFullNone
Audience segmentationFullNone
Automation workflowsFullNone
Custom domains (limited)NoneFull
Customer journey builderFullNone
Email campaignsFullNone
Paid subscriptionsNoneFull
Reporting dashboardsFullNone
Integrations
API AccessFullNone
Built-in SEO and Google indexingNoneFull
Security
Notes (social feed)NoneFull
Social postingFullNone
Social sharing (Twitter, Facebook)NoneFull

Pricing Comparison

Mailchimp Pricing

FreeFree

250 contacts, 500 sends/mo, limited automations

Essentials$13/mo

500 contacts, 5,000 sends/mo, email + chat support

StandardPopular$20/mo

500 contacts, 6,000 sends/mo, advanced automations

Premium$350/mo

10,000 contacts, 150,000 sends/mo, phone support

Substack Pricing

FreeFree

Unlimited subscribers, unlimited sends, 10% of paid subscription revenue

Who Should Choose Which?

Who should choose Mailchimp

Best for

  • Small businesses starting email marketing
  • E-commerce stores needing built-in product recommendations
  • Teams wanting an all-in-one marketing suite

Avoid if

  • You need affordable pricing as your list grows (costs scale steeply)
  • You want a clean, simple interface (Mailchimp has become complex)
  • You prioritize deliverability above all else

Who should choose Substack

Best for

  • Writers who want the simplest possible setup
  • People who value Substack's built-in network and recommendations
  • Writers focused on paid subscriptions

Avoid if

  • You want full control over your brand and domain
  • You need advanced segmentation or automation
  • You don't want to give up 10% of revenue

Switching Guidance

Switching from Mailchimp

Common triggers to leave:

  • Pricing jumps at 500+ contacts
  • Feature bloat
  • Deliverability concerns

Potential blockers:

  • Complex automation workflows
  • Integrated e-commerce features
  • Team familiarity

Switching from Substack

Common triggers to leave:

  • Need custom branding
  • Need automation
  • 10% revenue cut becoming significant
  • Need analytics depth

Potential blockers:

  • Built-in subscriber network and discovery
  • Substack app readers
  • Community features (Notes, Chat)

Try Mailchimp

Start free — no credit card required

Try Substack

Start free — no credit card required

See Also