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Marketing · head to head

Postmark vs Supermetrics

Postmark logo

Postmark

Marketing

No hidden fees, no guesswork. Just the features you need, at a price that makes sense

From
On request
Rated
-
Full reviewWebsite
Supermetrics logo

Supermetrics

Marketing

Bring all your marketing data into one place

From
€49/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Postmark free tier caps at 100 emails per month with no overages allowed; 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 Postmark and Supermetrics actually diverge.

Attributes where Postmark and Supermetrics differ
AttributePostmarkSupermetrics
Starting priceOn request€49/month
Pricing modelUnknownsubscription
PlatformsWebWeb, Google-sheets, Data-studio, Excel, Api
FoundedUnknown2010

Identical on both: free tier (No), 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 Postmark

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.

Postmark

  • Sending password reset emails with industry-leading delivery speednot Supermetrics
  • Processing inbound email replies into JSON objects for applicationsnot Supermetrics
  • Tracking failed email deliveries and suppressing invalid addressesnot Supermetrics
  • Separating transactional emails from marketing emails with message streamsnot Supermetrics

Supermetrics

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

Where each one falls short

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

Postmark

  • Free tier caps at 100 emails per month with no overages allowed
  • Basic plan ($15/mo) includes 10,000 emails then charges $1.80 per 1,000 extra; Pro and Platform tiers have their own lower per-1,000 overage rates ($1.30 and $1.20), so cost scales per email beyond the included volume
  • Custom high-volume pricing above the published tiers requires contacting sales

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

Postmark

On request

No published plan breakdown. See the Postmark review.

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 Postmark if

Nothing in the data separates Postmark from Supermetrics on the points above - pick on price and on how each one feels to use.

Postmark 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 Postmark or Supermetrics better?
Neither clearly leads. Postmark starts at On request and Supermetrics at €49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Postmark or Supermetrics?
Postmark starts at On request and Supermetrics at €49/month.
Does Postmark or Supermetrics run on more platforms?
Postmark runs on Web. Supermetrics runs on Web, Google-sheets, Data-studio, Excel, Api.
What is Postmark best used for?
Postmark is most often used for sending password reset emails with industry-leading delivery speed, processing inbound email replies into json objects for applications, tracking failed email deliveries and suppressing invalid addresses, separating transactional emails from marketing emails with message streams. Of those, sending password reset emails with industry-leading delivery speed and processing inbound email replies into json objects for applications are not what Supermetrics is typically brought in for.
What can Postmark do that Supermetrics cannot?
Supermetrics covers Multi-source data connectors, Real-time data sync, Custom dimensions, Data blending.

Answered from the vendors’ own pages

Postmark: What is the cheapest paid plan for Postmark email sending?

Postmark Basic plan is $15/month for 10,000 emails, with overages at $1.80 per 1,000 additional emails. Free tier limited to 100/month. No annual billing discount available. Source: https://www.postmarkapp.com/pricing

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
Postmark: How are Postmark email overages calculated?

Overages are calculated at month-end and billed with your next plan cost. Basic tier overages: $1.80 per 1,000; Pro: $1.30 per 1,000; Platform: $1.20 per 1,000. Unused monthly emails do not carry over. Source: https://www.postmarkapp.com/pricing

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
Postmark: What payment methods does Postmark accept?

Postmark accepts Visa, MasterCard, American Express, Diners Club, and JCB. No PayPal or purchase orders accepted. Bootstrapped startups can request a $75 account credit. Source: https://www.postmarkapp.com/pricing

Source
Postmark: Can I get a dedicated IP on Postmark without high volume?

No. Postmark dedicated IPs require minimum 300,000 emails per month and start at $50/month. Alternative: use Postmark's shared infrastructure included in all tiers. Source: https://www.postmarkapp.com/pricing

Source
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