Mailgun vs Postmark: Pricing Comparison 2026
Side-by-side pricing comparison of Mailgun and Postmark. See all plans, features, and costs at a glance.
Bottom line: Postmark starts at $5/mo, making it $10/mo cheaper than Mailgun ($15/mo). Mailgun offers a free plan.
Last updated: March 16, 2026
Mailgun vs Postmark: Quick Pricing Facts
| Feature | Mailgun | Postmark |
|---|---|---|
| Starting Price | $15/mo | $5/mo |
| Number of Plans | 14 | 3 |
| Free Tier | Yes | No |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Postmark is the more affordable option, starting at $5/mo compared to Mailgun's $15/mo. Both are Email Marketing tools with 17 combined pricing plans and 0 features compared.
Mailgun 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 |  Mailgun Try it free |  Postmark Try it free |
|---|---|---|
| Tier 1 | Enterprise: Send high-volume emails through the most reliable email API provider. Custom pricing | Dedicated IPs $50/monthCheapest |
| Tier 2 | Documentation: API resources to help you use Mailgun Custom pricing | Custom activity retention $5/monthCheapest |
| Tier 3 | Release Notes: Keep up with what's in the Mailgun platform. Custom pricing | DMARC monitoring $14/monthCheapest |
| Tier 4 | 2025 State of Email Deliverability Research Report $2025/monthCheapest | — |
| Tier 5 | $0/mo $0/monthCheapest | — |
| Tier 6 | 100 emails/day included $100/monthCheapest | — |
| Tier 7 | $15/mo $15/monthCheapest | — |
| Tier 8 | 10,000 emails/mo included $10000/monthCheapest | — |
| Tier 9 | Extra emails Custom pricing | — |
| Tier 10 | $35/mo $35/monthCheapest | — |
| Tier 11 | 50,000 emails/mo included $50000/monthCheapest | — |
| Tier 12 | Extra emails & validations Custom pricing | — |
| Tier 13 | $90/mo $90/monthCheapest | — |
| Tier 14 | 100,000 emails/mo included $100000/monthCheapest | — |
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Mailgun
Mailgun offers a free plan, offers 14 tiers vs 3.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Mailgun
Try Mailgun freeWhich Should You Choose?
Choose Mailgun if:
- •You need a free plan with core features—Mailgun offers no-cost access with no credit card required
- •You need 14 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •Your team needs custom enterprise pricing—Mailgun offers negotiated terms for large deployments
Choose Postmark if:
- •You want lower per-user costs—Postmark starts at $5/mo, saving $10/mo compared to Mailgun at $15/mo
- •Postmark's 3-tier usage-based structure gives clearer cost visibility for budget planning
- •You value Postmark's specific feature progression from free to advanced tier levels
Mailgun offers a free plan [1], eliminating the cost barrier for evaluation, while Postmark requires paid subscription from the start. This gives Mailgun a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Mailgun's free tier, upgrading to a paid plan at approximately $15/mo provides substantial additional functionality. Compare this pricing path against Postmark's tiering starting at $5/mo to assess total cost of ownership over 12 months. Mailgun's 14 tiers provide flexibility at different budgets, while Postmark's 3 tiers structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, Mailgun 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: Mailgun vs Postmark
Which is cheaper, Mailgun or Postmark?
How many pricing plans does Mailgun have vs Postmark?
Does Mailgun or Postmark offer a free plan?
Does Mailgun or Postmark offer custom enterprise pricing?
How do Mailgun and Postmark compare for Email Marketing?
Sources
- Mailgun Official Pricing— Vendor pricing page
- Postmark Official Pricing— Vendor pricing page
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