Postmark vs Resend
Side-by-side plans, pricing, and feature gates for Postmark and Resend, verified . Both are primarily transactional email tools.
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Postmark
- Free
100 emails per month, no credit card required
Free - Basic
Entry paid tier with 10,000 emails/month and 5 custom domains
$15/mo - Pro
10,000 emails/month with inbound processing and customizable retention
$16.50/mo - Platform
Unlimited domains and users with the lowest overage rate
$18/mo - High-Volume
Custom pricing for volumes above standard tiers
Custom
Resend
- Free
Hobby tier with 3,000 emails per month and a 100/day cap
Free - Pro 50k
Entry paid Pro tier with 50,000 emails per month included
$20/mo - Pro 100k
Pro tier with 100,000 emails per month included
$35/mo - Scale
Volume tier with Slack support, 1,000 domains, and dedicated IP add-on
$90/mo - Enterprise
Custom contracting for high-volume senders with SLA guarantees
Custom
Limits at the entry paid tier
Compares Basic (Postmark) against Pro 50k (Resend). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Postmark | Resend |
|---|---|---|
| Emails / month | 10,000 | 50,000 |
When Postmark wins
- SaaS apps prioritizing receipt and notification deliverability
- Teams that need detailed inbound email parsing alongside outbound sends
- Companies that need 365-day data retention for compliance
Where Postmark is the wrong fit
- Hobby projects with bursty traffic (Mailgun's 100/day or Resend's 3,000/month are friendlier than the 100/month Free cap)
- Marketing teams (use Mailchimp or Kit)
- Buyers who want a single vendor for marketing and transactional email
When Resend wins
- Developers shipping a transactional flow such as signup confirmations, password resets, and receipts
- Teams using React for email templates
- Startups wanting a clean modern API without legacy ESP weight
Where Resend is the wrong fit
- Marketing teams running newsletters (use Kit or beehiiv)
- Enterprises with strict legacy integration requirements
- Teams that need deep dedicated-IP warmup tooling (Mailgun and SendGrid are more mature here)
Migrating between these tools 1 guide
Long-form migration guide for this exact pair. Each covers the cost math, what you lose, what you gain, and the pair-specific gotchas that bite during cutover.
Common questions
- Is Postmark cheaper than Resend?
- Both Postmark and Resend have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Postmark or Resend have a free plan?
- Both have free plans. Postmark: 100 emails per month, no credit card required. Resend: Hobby tier with 3,000 emails per month and a 100/day cap.
- Are Postmark and Resend in the same category?
- Yes. Both are primarily transactional email tools, which is why this is a natural head-to-head comparison.
- Which has more plans, Postmark or Resend?
- Both Postmark and Resend ship 5 plans. Tier counts match; the differentiation is in features and pricing structure rather than tier ladder depth.
- Where can I see alternatives to Postmark or Resend?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/postmark for Postmark and /alternatives/resend for Resend. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Postmark: https://postmarkapp.com/pricing · Resend: https://resend.com/pricing
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.