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Marketing · head to head

Mailgun vs Supermetrics

Mailgun logo

Mailgun

Marketing

Email delivery built for developers

From
Free
Rated
-
Full reviewWebsite
Supermetrics logo

Supermetrics

Marketing

Bring all your marketing data into one place

From
€49/month
Rated
-
Full reviewWebsite

The short version

  • Only Mailgun has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mailgun free tier limited to 100 emails per day, restricting high-volume use cases; Supermetrics every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mailgun and Supermetrics actually diverge.

Attributes where Mailgun and Supermetrics differ
AttributeMailgunSupermetrics
Starting priceFree€49/month
Free tierYesNo
PlatformsWebWeb, Google-sheets, Data-studio, Excel, Api
FoundedUnknown2010

Identical on both: pricing model (subscription), user rating (Not yet rated), category (Marketing).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mailgun

Nothing recorded that Supermetrics does not also cover.

Only in Supermetrics

  • Multi-source data connectors
  • Real-time data sync
  • Custom dimensions
  • Data blending
  • Scheduled reports
  • API access
  • Data transformation
  • Visualization

What people use each for

The jobs each tool is most often brought in to do.

Mailgun

  • Transactional email delivery and SMTP relaynot Supermetrics
  • Email marketing at scale for developers and enterprisesnot Supermetrics

Supermetrics

  • Pulling marketing platform data into Google Sheets, Looker Studio, Excel or Power BInot Mailgun
  • Loading advertising data into BigQuery or Snowflake for reportingnot Mailgun
  • Automating recurring client marketing reports at an agencynot Mailgun

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mailgun

  • Free tier limited to 100 emails per day, restricting high-volume use cases
  • Log retention minimal on lower tiers (1 day on Free and Basic plans)
  • Add-on pricing for email validations and extra emails can accumulate quickly for high-traffic users

Supermetrics

  • Every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • The Starter plan at 49 EUR per month billed monthly includes 1 user, 3 data sources and 3 accounts per data source
  • Data refreshes are weekly on Starter, daily on Growth and hourly on Pro; on-demand refreshes require Enterprise
  • Refresh scheduling on those tiers is stated for Google Sheets only
  • Snowflake and BigQuery data warehouse destinations require the Enterprise package
  • SAML SSO is Enterprise only; lower tiers get basic single sign-on
  • Data transformations, data residency and region control, multiple teams and Management API access are Enterprise only
  • Enterprise carries no published price and is quote only
  • The 20% saving is only available on yearly billing
  • AI credits are metered per plan at 4,000 monthly on Starter and 12,000 on Growth

Pricing, plan by plan

Mailgun

Free
  • FreeFree
    • 100 emails per day
    • Basic APIs
    • SMTP relay
  • Basic$15/monthly
    • 10,000 emails per month
    • No daily limits
    • Monthly overage options
  • Foundation$35/monthly
    • 50,000 emails per month
    • 1,000 custom domains
    • Email template builder
  • Scale$90/monthly
    • 100,000 emails per month
    • SAML SSO
    • 5,000 email validations

Supermetrics

€49/month
  • Starter$49/month
    • 1 core destination
    • 3 data sources
    • 1 user
  • Growth$199/month
    • 1 core destination
    • 7 data sources
    • 2 users
  • Pro$499/month
    • 1 core destination
    • 10 data sources
    • 3 users

Which should you pick?

Choose Mailgun if

  • You want to start without paying.
Mailgun review

Choose Supermetrics if

  • You need multi-source data connectors.
  • You work on Web, Google-sheets, Data-studio, Excel, Api.
  • You also want real-time data sync.
Supermetrics review

Questions people ask

Is Mailgun or Supermetrics better?
Neither clearly leads. Mailgun starts at Free and Supermetrics at €49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mailgun or Supermetrics?
Mailgun has a free tier; the other does not. Paid plans start at Free for Mailgun and €49/month for Supermetrics.
Does Mailgun or Supermetrics run on more platforms?
Mailgun runs on Web. Supermetrics runs on Web, Google-sheets, Data-studio, Excel, Api.
Can I use Mailgun for free?
Yes. Mailgun has a free tier, so you can try it without paying. Supermetrics starts at €49/month.
What is Mailgun best used for?
Mailgun is most often used for transactional email delivery and smtp relay, email marketing at scale for developers and enterprises. Of those, transactional email delivery and smtp relay and email marketing at scale for developers and enterprises are not what Supermetrics is typically brought in for.
What can Mailgun do that Supermetrics cannot?
Supermetrics covers Multi-source data connectors, Real-time data sync, Custom dimensions, Data blending.

Answered from the vendors’ own pages

Mailgun: What happens when I exceed my monthly email quota?

Mailgun allows monthly overage options on paid plans. Extra emails are charged from $1.30 to $1.10 per 1,000 emails depending on plan tier. Enterprise customers negotiate custom rates.

Source
Supermetrics: How much does Supermetrics cost?

Supermetrics offers three subscription plans: Starter at EUR 49 per month, Growth at EUR 199 per month, and Pro at EUR 499 per month. Annual billing provides a 20% discount. Enterprise plans require a custom quote.

Source
Mailgun: Can I upgrade from Free to a paid plan and when does billing begin?

Yes, you can upgrade to paid plans anytime. The first month is free on Foundation ($35/month) and Scale ($90/month) plans, with billing starting on month two.

Source
Supermetrics: Can I add extra users or data sources to my Supermetrics plan?

Yes, additional features are available for all plans. Additional users cost EUR 29 to EUR 124 per month depending on plan tier, and additional data sources cost EUR 29 to EUR 37 per month. Additional destinations and ad accounts also carry separate monthly fees.

Source
Mailgun: What currencies and billing periods does Mailgun support?

Mailgun supports monthly billing in USD, EUR, and GBP. Charges are prorated for mid-month signups. Annual billing options are not explicitly listed on the pricing page.

Source
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