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Marketing · head to head

Mailgun vs Microsoft Clarity

Mailgun logo

Mailgun

Marketing

Email delivery built for developers

From
Free
Rated
-
Full reviewWebsite
Microsoft Clarity logo

Microsoft Clarity

Marketing

Free behaviour analytics tool with session recordings, heatmaps, and AI insights

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mailgun free tier limited to 100 emails per day, restricting high-volume use cases; Microsoft Clarity no paid tier means no premium support; enterprise SLAs and dedicated account management are unavailable
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Mailgun and Microsoft Clarity actually diverge.

Attributes where Mailgun and Microsoft Clarity differ
AttributeMailgunMicrosoft Clarity
Pricing modelsubscriptionfree
PlatformsWebWeb, iOS, Android

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Marketing).

What people use each for

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

Mailgun

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

Microsoft Clarity

  • SaaS product teams identifying checkout and signup funnel frictionnot Mailgun
  • E-commerce sites optimising product discovery and purchase flowsnot Mailgun
  • Content websites understanding reading patterns and article engagementnot Mailgun
  • Mobile app teams (iOS/Android) analysing user journey and drop-off pointsnot Mailgun
  • B2B platforms optimising onboarding and feature discoverynot Mailgun
  • Agencies and consultants providing UX analysis to clients free of chargenot 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

Microsoft Clarity

  • No paid tier means no premium support; enterprise SLAs and dedicated account management are unavailable
  • Dependency on JavaScript tracking; websites with strict CSP (content security policy) may struggle with integration
  • Session replay is limited to browser-based interactions; native app behaviour in web wrappers is not captured
  • AI Chat and summaries require adequate session volume; low-traffic sites lack sufficient data for meaningful pattern detection
  • Privacy masking is automatic but lacks granular configuration; custom masking rules for proprietary data require workarounds

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

Microsoft Clarity

Free

No published plan breakdown. See the Microsoft Clarity review.

Which should you pick?

Choose Mailgun if

  • You want to start without paying.
Mailgun review

Choose Microsoft Clarity if

  • You want to start without paying.
  • You work on Web, iOS, Android.
Microsoft Clarity review

Questions people ask

Is Mailgun or Microsoft Clarity better?
Neither clearly leads. Mailgun starts at Free and Microsoft Clarity at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mailgun or Microsoft Clarity?
Mailgun starts at Free and Microsoft Clarity at Free.
Does Mailgun or Microsoft Clarity run on more platforms?
Mailgun runs on Web. Microsoft Clarity runs on Web, iOS, Android.
Can I use Mailgun for free?
Both have a free tier, so you can try either at no cost before committing.
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 Microsoft Clarity is typically brought in for.

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
Microsoft Clarity: Is Microsoft Clarity truly free?

Yes. Microsoft Clarity is completely free with no traffic limits, no paid tier, and no restrictions based on session volume. It integrates with web properties via a single tracking snippet.

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
Microsoft Clarity: Does Clarity comply with GDPR and CCPA?

Yes. Clarity automatically masks sensitive form field data before transmission and supports privacy-by-default configuration. EU and California data residency options are available.

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
Microsoft Clarity: Can Clarity track mobile apps?

Yes. Clarity provides native SDKs for iOS and Android, as well as support for React Native and Flutter apps.

Source
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