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Software · head to head

Mailgun vs PostHog

Mailgun logo

Mailgun

Software

Email delivery built for developers

From
On request
Rated
-
PostHog logo

PostHog

Software

The single platform to analyze, test, observe, and deploy new features

From
Free
Rated
-

The short version

  • Only PostHog has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mailgun free plan caps at 100 emails per day; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts

Where they differ

Only the attributes on which Mailgun and PostHog actually diverge.

Attributes where Mailgun and PostHog differ
AttributeMailgunPostHog
Starting priceOn requestFree
Free tierNoYes
PlatformsWebWeb, Ios, Android, Api
FoundedUnknown2020

Identical on both: pricing model (usage-based), user rating (Not yet rated), category (Unknown).

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 PostHog does not also cover.

Only in PostHog

  • Product analytics
  • Session recording
  • Feature flags
  • A/B testing
  • Heatmaps
  • SQL access
  • Data warehouse
  • Apps platform

What people use each for

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

Mailgun

No use cases recorded yet. See the Mailgun review.

PostHog

  • Product analyticsnot Mailgun
  • Feature experimentationnot Mailgun
  • User behavior trackingnot Mailgun
  • A/B testingnot Mailgun
  • Debug production issuesnot Mailgun

Where each one falls short

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

Mailgun

  • Free plan caps at 100 emails per day
  • Basic plan starts at $15/mo for 10,000 emails then overages from $1.80 per 1,000; Foundation and Scale plans discount overage rates but still meter every email beyond the included volume
  • Foundation ($35/mo) and Scale ($90/mo) plans are free for the first month only, then bill at full price

PostHog

  • The free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • Accounts without a card on file are limited to 1 project; adding one raises it to 6
  • Data retention is 1 year until a card is added, which extends it to 7 years
  • Support is community-only until the account is on a paid plan
  • Error tracking is capped at 100K exceptions and surveys at 1500 responses per month on the free tier

Pricing, plan by plan

Mailgun

On request

No published plan breakdown. See the Mailgun review.

PostHog

Free
  • FreeFree
    • 1M events/month
    • 5K sessions/month
    • Unlimited users
  • Paid$undefined/month
    • $0.00031/event
    • $0.005/session
    • Advanced permissions
  • Enterprise$undefined/month
    • SAML SSO
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Mailgun if

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

Choose PostHog if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want session recording.

Questions people ask

Is Mailgun or PostHog better?
Neither clearly leads. Mailgun starts at On request and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mailgun or PostHog?
PostHog has a free tier; the other does not. Paid plans start at On request for Mailgun and Free for PostHog.
Does Mailgun or PostHog run on more platforms?
Mailgun runs on Web. PostHog runs on Web, Ios, Android, Api.
Can I use PostHog for free?
Yes. PostHog has a free tier, so you can try it without paying. Mailgun starts at On request.
What can Mailgun do that PostHog cannot?
PostHog covers Product analytics, Session recording, Feature flags, A/B testing.

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