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TierGauge

Mailgun alternatives

3 tools that compete with Mailgun in transactional email, ranked by entry price with live plan data. Mailgun itself starts at Free; verified .

Comparing against
Mailgun
Starting at
Free
Free plan
Yes
Plans
5

Ranked alternatives

Free-plan tools first, then ascending by entry price, then alphabetical. Tags are derived from each tool's verified plan data; no editorial verdict claims.

  1. 01
    MailerLite

    Email marketing with a generous free tier and clean editor.

    • Primarily email marketing
    From
    Free
    Plans
    4
  2. 02
    Postmark

    Transactional email API focused on inbox placement and detailed delivery analytics.

    • Same category
    From
    Free
    Plans
    5
  3. 03
    Resend

    Modern transactional email API with React Email integration and transparent volume pricing.

    • Same category
    From
    Free
    Plans
    5

How we ranked these

  • Candidates. Every tool we hand-flagged as a Mailgun alternative, plus every tool sharing its primary category (transactional email). Tools we don't yet track are not listed; we never link out to a tool we haven't verified.
  • Order. Free-plan tools first, then ascending by entry monthly price (the headline anchor we capture from each vendor). Custom-priced tools sort last. Ties broken alphabetically.
  • Tags. Each row's tags are computed against Mailgun's data: cheaper entry, free plan present, more plan tiers, enterprise tier present. No editorial "better than" claims.
  • Freshness. Pricing is captured weekly from each vendor's pricing page, listed in the source citation below. Confirm at the vendor's page before buying.

Common questions

What's the cheapest alternative to Mailgun?
None of the 3 alternatives we track has a lower entry price than Mailgun (Free). Compare on free-plan limits and feature scope instead.
Which Mailgun alternative has a free plan?
MailerLite, Postmark, Resend all offer permanent free plans. Free-tier limits vary, so the right pick depends on your contact count and send volume.
Are these all in the same category as Mailgun?
2 of 3 share Mailgun's primary category (transactional email). The rest are adjacent tools that overlap on use case.
Where can I compare Mailgun side-by-side with these alternatives?
Each Mailgun-vs-alternative pair has a dedicated head-to-head page on TierGauge with verified plan data, side-by-side feature mapping, and limit comparison at the entry paid tier. Pairs are linked from each row in the ranked list above; the canonical URL is /compare/<a>-vs-<b> alphabetical.

Sources

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