Postmark #2 vs Resend #3 of 3 on /best/transactional-email
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 2 guides
Long-form migration guides for this exact pair. Each covers the cost math, what you lose, what you gain, and the pair-specific gotchas that bite during cutover.
Compare across the category
This page is Postmark vs Resend. To put both side by side with every other transactional email tool we track on a single price-only table, see the transactional email pricing comparison . Free tiers, entry paid plans, and mid-tier plans for the full transactional email cohort.
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.