Home / Newsletters & Campaigns / Substack vs Mailjet

Substack Substack VS Mailjet Mailjet

Updated June 29, 2026 · 5 criteria compared

Head-to-Head Scores

Substack

7.4

Overall

VS

Mailjet

7.3

Overall

Ease
9.5 7.5
Ease
Features
6 7.5
Features
Deliverability
8.5 8
Deliverability
Pricing
6.5 7
Pricing
Support
6.5 6.5
Support

Pros & Cons

✅ Substack Pros & Cons

  • Zero setup required
  • Built-in payment system
  • Discovery network (new readers)
  • Clean writing experience
  • Massive creator community
  • 10% fee on paid subs
  • Very limited customization
  • No drag-drop builder
  • No SMS or push
  • Basic automation only

✅ Mailjet Pros & Cons

  • Excellent EU/GDPR compliance
  • Collaborative team features
  • Strong transactional + marketing
  • Good API and SMTP
  • Affordable at scale
  • Limited free plan
  • Automation less advanced
  • UI could be more modern
  • Template variety is average
  • Support can be slow

Feature Comparison

Feature
Substack
Mailjet
Template Library
✓
✓
Contact & List Management
✓
✓
Reporting & Analytics
✓
✓
GDPR Compliant
✓
✓
A/B Testing
✓
✓
Forms & Landing Pages
✓
—
Social Media Marketing
✓
—
Integrations
✓
✓
AI Content & Recommendations
✓
—
Marketing Automation
✓
✓
Drag & Drop Builder
—
✓
Transactional Email
—
✓
SPAM & Deliverability Tools
—
✓
Email & SMS Marketing
—
✓
Team Collaboration
—
✓
Dynamic Content
—
✓
API Access
—
✓

Best For...

🎯 Substack is Best For

Writers & journalistsPaid newslettersThought leadersIndependent publishersCreators starting out

🎯 Mailjet is Best For

European businessesGDPR-focused teamsDeveloper + marketer teamsMid-size companiesTransactional + marketing combo

User Votes

Substack

Substack

50% of votes

VS
Mailjet

Mailjet

50% of votes

Pricing

Substack

Free (10% fee on paid); No platform fee for free

Visit Substack →

Mailjet

Free up to 6,000 emails/mo; Paid from $15/mo

Visit Mailjet →

⚡ Quick Verdict

Substack and Mailjet are closely matched. Substack edges ahead slightly in overall balance.

Frequently Asked Questions

Which is better for beginners, Substack or Mailjet?

Substack is easier to use (score 9.5/10 vs 7.5/10), making it a better choice for beginners. Mailjet has more features but a steeper learning curve.

Which has better deliverability, Substack or Mailjet?

Substack has better deliverability (8.5/10) compared to Mailjet (8/10), with stronger infrastructure and sender reputation tools.

Which is more affordable?

Mailjet is the more budget-friendly choice (score 7/10). Free up to 6,000 emails/mo. Substack: Free (10% fee on paid).

Can I switch from Substack to Mailjet easily?

Both platforms support importing contacts via CSV and offer migration assistance. Substack and Mailjet have API access for custom migrations. The transition depends on how many automations and templates you need to rebuild.

Which is better for e-commerce?

Neither Substack nor Mailjet is specifically designed for e-commerce. Consider Klaviyo or Omnisend for dedicated e-commerce email marketing.

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