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Email Marketing

Postmark vs Sender: Pricing Comparison 2026

Side-by-side pricing comparison of Postmark and Sender. See all plans, features, and costs at a glance.

Bottom line: Postmark starts at $5/mo, making it $2/mo cheaper than Sender ($7/mo). Sender offers a free plan.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Postmark freeTry Sender freePrice updated 11d agoPrice updated 11d ago
Best Value

Sender - Sender offers a free plan, offers 4 tiers vs 3.

Postmark vs Sender: Quick Pricing Facts

FeaturePostmarkSender
Starting Price$5/mo$7/mo
Number of Plans34
Free TierNoYes
Pricing Modelusage-basedfreemium
Annual DiscountN/AN/A

Postmark is the more affordable option, starting at $5/mo compared to Sender's $7/mo. Both are Email Marketing tools with 7 combined pricing plans and 38 features compared.

Sender stands out with a free plan for getting started. Postmark uses usage-based pricing while Sender uses freemium pricing, which may affect your total cost at scale.

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
Postmark
Postmark
Try free
Sender
Sender
Try free
Tier 1
Dedicated IPs
$50/month
Start with Dedicated IPs
Free Forever!
$0/monthCheapest
Includes
  • 1 seat
  • Up to 2 500 subscribers
  • Up to 15 000 emails/month
  • emails/
  • month
  • Contains Sender branding
  • Email newsletters
  • Email automation
  • Landing pages
  • Signup forms & popups
  • Transactional emails
Start with Free Forever!
Tier 2
Custom activity retention
$5/monthCheapest
Start with Custom activity retention
Standard
$7/month
Includes
  • Up to 12k emails/month
  • month
  • Up to 1k subscribers
  • 3 Role-based seats
  • No Sender branding
  • SMS messaging
  • Unlimited email & popup templates
  • Unlimited landing pages
  • A/B testing & experiments
Start with Standard
Tier 3
DMARC monitoring
$14/monthCheapest
Start with DMARC monitoring
ProfessionalPopular
$1430/month
Includes
  • Up to 24k emails/month
  • month
  • Up to 1k subscribers
  • 10 role-based seats
  • Free SMS
  • ($14/month)
  • Unlimited email editor features
  • Advanced automation
  • Advanced reports
  • Priority support
  • Dedicated IPs available
Start with Professional
Tier 4
-
Enterprise
Custom pricing
Includes
  • Unlimited emails
  • Dedicated success manager
  • Advanced user permissions
  • Service level agreement
  • Activity logs for auditing
  • SSO (SAML v2)
  • Phone support
Start with Enterprise

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Postmark

Fast and reliable transactional email delivery service

View all Postmark plans

Sender

Affordable email and SMS marketing for ecommerce

View all Sender plans

Frequently Asked Questions: Postmark vs Sender

Which is cheaper, Postmark or Sender?
As of July 2026, Postmark starts at a lower price point. Postmark starts at $5/mo while Sender starts at $7/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Postmark have vs Sender?
Postmark offers 3 pricing plans, while Sender offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Postmark or Sender offer a free plan?
Sender offers a free plan, while Postmark does not. If budget is a concern, Sender lets you get started at no cost.
What is the most popular Sender plan?
The Professional plan is Sender's most popular tier, priced at $1430/mo. Key features include Up to 24k emails/month, month, Up to 1k subscribers.
Does Postmark or Sender offer custom enterprise pricing?
Sender offers a custom-priced enterprise tier for larger teams. Postmark lists all its pricing publicly.
What pricing models do Postmark and Sender use?
Postmark uses a usage-based pricing model, while Sender uses freemium pricing. The right model depends on your team size and usage patterns.
How do Postmark and Sender compare for Email Marketing?
Both Postmark and Sender are Email Marketing tools. Postmark offers 3 plans starting at $5/mo, while Sender offers 4 plans starting at $7/mo. Review the feature breakdowns above to see which better fits your Email Marketing needs.
AI Recommendations

Sources

  1. Postmark Official Pricing- Vendor pricing page
  2. Sender Official Pricing- Vendor pricing page

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