Mailjet vs Substack: Pricing Comparison 2026
Side-by-side pricing comparison of Mailjet and Substack. See all plans, features, and costs at a glance.
Bottom line: Mailjet starts at Custom pricing and Substack starts at $5/mo. Compare all 13 pricing tiers side by side.
Last updated: March 16, 2026
Mailjet vs Substack: Quick Pricing Facts
| Feature | Mailjet | Substack |
|---|---|---|
| Starting Price | Custom pricing | $5/mo |
| Number of Plans | 6 | 7 |
| Free Tier | No | Yes |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Mailjet and Substack are both priced at Custom pricing, making them equally accessible Email Marketing tools. Together they offer 13 pricing plans with 22 features compared, so the best choice comes down to which features match your needs.
Substack stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Email Marketing needs.
| Pricing Plans |  Mailjet Try it free |  Substack Try it free |
|---|---|---|
| Tier 1 | Create Custom pricing | Free $0/monthCheapest Includes
|
| Tier 2 | Personalize Custom pricing | Basic $5/monthCheapest $5 / year Includes
|
| Tier 3 | Optimize Custom pricing | Standard $7/monthCheapest $7 / year Includes
|
| Tier 4 | Send Custom pricing | Advanced $10/monthCheapest $10 / year Includes
|
| Tier 5 | Manage Custom pricing | Pro $15/monthCheapest $15 / year Includes
|
| Tier 6 | Get Support Custom pricing | Premium $30/monthCheapest $30 / year Includes
|
| Tier 7 | — | Enterprise $75/monthCheapest $75 / year Includes
|
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Substack
Substack offers a free plan, offers 7 tiers vs 6.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Substack
Try Substack freeWhich Should You Choose?
Choose Mailjet if:
- •Your team needs custom enterprise pricing—Mailjet offers negotiated terms for large deployments
- •You prioritize Mailjet's user experience and interface over price (both tools are similarly priced)
- •You want Mailjet's approach to incremental feature unlocking across its 6 pricing tiers
Choose Substack if:
- •You need a free plan with Set up paid subscriptions, Keep 90% of revenue—Substack offers no-cost access with no credit card required
- •You need 7 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •You want more features built-in—Substack offers 22 additional features across its plans
Substack offers a free plan [1], eliminating the cost barrier for evaluation, while Mailjet requires paid subscription from the start. This gives Substack a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Substack's free tier, upgrading to a paid plan at approximately $5/mo provides substantial additional functionality. Compare this pricing path against Mailjet's tiering starting at Custom pricing to assess total cost of ownership over 12 months. Substack's 7 tiers provide flexibility at different budgets, while Mailjet's 6 tiers structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, Substack is the obvious starting point with zero financial commitment. Use the free tier to validate core functionality before committing to paid plans from either tool.
Frequently Asked Questions: Mailjet vs Substack
How many pricing plans does Mailjet have vs Substack?
Does Mailjet or Substack offer a free plan?
Can I save money by paying annually for Mailjet or Substack?
Does Mailjet or Substack offer custom enterprise pricing?
How do Mailjet and Substack compare for Email Marketing?
Sources
- Mailjet Official Pricing— Vendor pricing page
- Substack Official Pricing— Vendor pricing page
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