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Marketing · head to head

Moz vs PostHog

Moz logo

Moz

Marketing

SEO software for smarter marketing

From
Free
Rated
-
Full reviewWebsite
PostHog logo

PostHog

Technology

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Moz smaller keyword database with only 500M+ keywords compared to 25 billion for Semrush; PostHog the free tier covers 1M events, 5K web session recordings and 2.5K mobile recordings per month before usage-based billing starts
  • They diverge on capability: Moz covers Keyword Explorer, PostHog covers Product analytics.

Where they differ

Only the attributes on which Moz and PostHog actually diverge.

Attributes where Moz and PostHog differ
AttributeMozPostHog
Pricing modelUnknownusage-based
PlatformsWebWeb, Ios, Android, Api
CategoryMarketingTechnology
Founded20042020

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

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 Moz

  • Keyword Explorer
  • Link Explorer
  • Site Crawl
  • Rank Tracking
  • Page Optimization
  • Competitive research
  • Local SEO tools
  • Fresh Web Explorer

Only in PostHog

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

Both cover

  • Cloud deployment

What people use each for

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

Moz

  • SEO auditsnot PostHog
  • Keyword researchnot PostHog
  • Link buildingnot PostHog
  • Local SEOnot PostHog
  • Competitive analysisnot PostHog

PostHog

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

Where each one falls short

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

Moz

  • Smaller keyword database with only 500M+ keywords compared to 25 billion for Semrush
  • Unreliable competitive analysis for B2B companies with niche competitor sets
  • Weekly rank tracking on lower plans creates bottlenecks versus daily updates on competitors

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

Moz

Free
  • Starter$39/month
    • Limited keyword tracking
    • Basic site audit
  • Standard$99/month
    • Enhanced keyword tracking
    • Competitive analysis

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 Moz if

  • You need keyword explorer.
  • You want to start without paying.
  • You also want link explorer.
Moz review

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.
PostHog review

Questions people ask

Is Moz or PostHog better?
Neither clearly leads. Moz starts at Free and PostHog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Moz or PostHog?
Moz starts at Free and PostHog at Free.
Does Moz or PostHog run on more platforms?
Moz runs on Web. PostHog runs on Web, Ios, Android, Api.
Can I use Moz for free?
Both have a free tier, so you can try either at no cost before committing.
What is Moz best used for?
Moz is most often used for seo audits, keyword research, link building, local seo. Of those, seo audits and keyword research are not what PostHog is typically brought in for.
What can Moz do that PostHog cannot?
Moz covers Keyword Explorer, Link Explorer, Site Crawl, Rank Tracking. PostHog covers Product analytics, Session recording, Feature flags, A/B testing. Both handle Cloud deployment.

Answered from the vendors’ own pages

Moz: What are Moz's main weaknesses compared to Semrush and Ahrefs?

Moz has a smaller keyword database (500M+ keywords vs Semrush's 25B), weaker competitive analysis tools for B2B niches, weekly rank tracking on lower plans, and limited local SEO features compared to modern competitors.

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