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Mailgun #1 vs Resend #3 of 3 on /best/transactional-email

Mailgun vs Resend

Side-by-side plans, pricing, and feature gates for Mailgun and Resend, verified . Both are primarily transactional email tools.

Mailgun

Starting price
Free
Free plan
Yes
Free trial
30 days
Plans
5
Full Mailgun profile →

Resend

Starting price
Free
Free plan
Yes
Free trial
·
Plans
5
Full Resend profile →

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.

Mailgun

  • Free

    Hobby tier capped at 100 emails per day

    Free
  • Basic

    Entry paid tier with 10,000 emails/month included

    $15/mo
  • Foundation

    50,000 emails/month with template builder and full inbound routing

    $35/mo
  • Scale

    100,000 emails/month with SAML SSO, dedicated IP, and live support

    $90/mo
  • Enterprise

    Custom contracting for high-volume senders

    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 (Mailgun) against Pro 50k (Resend). Both are the lowest-priced non-free, non-custom plan on each side.

Limit Mailgun Resend
Emails / month 10,000 50,000

When Mailgun wins

  • Developers integrating receipts, notifications, and password-reset emails
  • Teams already on a marketing ESP that need a separate transactional channel
  • High-volume B2B applications with strict deliverability requirements

Where Mailgun is the wrong fit

  • Marketing teams seeking campaign tooling (use Mailchimp or Kit)
  • Creators sending newsletters (use Kit or beehiiv)
  • Free-tier hobbyists with low total volume but spiky daily-cap-bumping use cases

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.

Compare across the category

This page is Mailgun 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 Mailgun cheaper than Resend?
Both Mailgun and Resend have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
Does Mailgun or Resend have a free plan?
Both have free plans. Mailgun: Hobby tier capped at 100 emails per day. Resend: Hobby tier with 3,000 emails per month and a 100/day cap.
Are Mailgun 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, Mailgun or Resend?
Both Mailgun 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 Mailgun or Resend?
Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/mailgun for Mailgun and /alternatives/resend for Resend. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.

Mailgun: https://www.mailgun.com/pricing/ · Resend: https://resend.com/pricing

Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.