PostHog vs Semrush

Full side-by-side comparison of features, pricing, and use cases to help you pick the right tool.

Bottom line: Both tools are competitively priced. PostHog edges ahead with a 4.7/5 rating.

PostHog

Open-source product analytics with session replay, flags, and more

4.7 / 5From Free
Semrush

All-in-one SEO and digital marketing platform

4.6 / 5From $139/mo

Pricing Comparison

PlanPostHogSemrush
FreeYesNo
Starter-$139/mo
Pro-$249/mo
EnterpriseCustomCustom

Feature Matrix

FeaturePostHogSemrush
Product analyticsYes-
Session recordingsYes-
Feature flagsYes-
A/B testingYes-
Self-hosting optionYes-
Keyword research with 25B keywords-Yes
Competitor domain analysis-Yes
Site audit tool-Yes
Rank tracking-Yes
Content marketing toolkit-Yes

When to Choose Each

Choose PostHog if you need...

  • +Generous free tier
  • +All-in-one product platform
  • +Open source with self-host option
DevelopersStartupsFounders

Choose Semrush if you need...

  • +Most comprehensive SEO data
  • +Excellent competitor research
  • +Strong content tools
MarketersAgenciesStartupsEnterprise

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Frequently Asked Questions

Which is better, PostHog or Semrush?

PostHog scores higher in our review (4.7/5 vs 4.6/5). However, Semrush may be a better fit depending on your specific needs and budget.

Is PostHog cheaper than Semrush?

Pricing varies by plan. PostHog starts at Free and Semrush starts at $139/mo.

What is the difference between PostHog and Semrush?

PostHog focuses on product analytics and session recordings, while Semrush emphasizes keyword research with 25b keywords and competitor domain analysis. PostHog is best for Developerss, Startupss, Founderss, while Semrush suits Marketerss, Agenciess, Startupss, Enterprises.

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