Mailjet vs Substack: Complete Comparison (2026)
Updated: March 7, 20268 min read
VS
Quick Comparison
Mailjet
Substack
Starting Price
$15/mo
10% of revenue
Free Plan
Yes
Yes
Users
150K+
35M+ readers
Founded
2010
2017
Rating
4.3/5
4.5/5
Best For
Marketing teams needing collaborative email design...
Writers wanting to launch and monetize a paid news...
Feature-by-Feature Comparison
MailjetSubstack
88Ease of Use92
90Features94
90Value for Money94
81Customer Support85
83Integrations87
84Mobile App88
AI Verdict
Substack leads with a ToolScout Score of 90 vs 86 for Mailjet. Substack is best suited for Writers wanting to launch and monetize a paid newsletter business, while Mailjet excels for Marketing teams needing collaborative email design with transactional delivery. Both are strong options in the Email Marketing space.
CHOOSE MAILJET IF:
Marketing teams needing collaborative email design with transactional delivery.
CHOOSE SUBSTACK IF:
Writers wanting to launch and monetize a paid newsletter business.
Frequently Asked Questions
Is Mailjet better than Substack?
Substack scores 90/100 on ToolScout compared to Mailjet's 86/100. However, the best choice depends on your specific needs. Mailjet is best for Marketing teams needing collaborative email design with transactional delivery. Substack is best for Writers wanting to launch and monetize a paid newsletter business.
Does Mailjet have a free plan?
Yes, Mailjet offers a free plan. Paid plans start from $15/mo.
Does Substack have a free plan?
Yes, Substack offers a free plan. Paid plans start from 10% of revenue.
Can I migrate from Mailjet to Substack?
Migration between Mailjet and Substack depends on the specific features you use. Both tools are in the Email Marketing category. Check each tool's import/export options for data portability before switching.