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Comparison

Heap vs PostHog

Heap and PostHog both land on Depends.

Heap

heap.io

Depends
Confidence: Medium

Buy if you're a mid-size product or growth team that wants auto-captured, full-journey analytics and can absorb sales-priced plans.

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Heap versus PostHog
CompareHeapPostHog
VerdictDependsDepends
Best forMid-size product teams wanting auto-captured analyticsProduct-engineering teams
Who it's not forSolo founders and small teams . the free tier is tinyMarketing teams wanting only simple web analytics
PrivacyNo known public vulnerabilities found in the sources reviewed.14Open source with a public security page; one NVD-listed CVE (2025) surfaced in vulnerability feeds.
Support qualityNo support evidence in reviewed sourcesNo credible support-quality evidence found
Public sentimentReviewers praise Heap's automatic event capture but consistently flag a tiny free tier and complex, unpublished pricing.¹Independent sentiment is sparse but positive . engineers name PostHog their first pick for instrumenting analytics from scratch.
Biggest gotchaNo public price list; budgets are set through sales negotiation, not a pricing page⁹Usage-based bills scale with events and replays; monthly free allowances only cover early-stage volumes.

Pick Heap when

  • Mid-size product teams wanting auto-captured analytics
  • Growth teams tracking funnels without engineering tags
  • Companies with budget for sales-negotiated plans

When Heap is not a fit

  • Solo founders and small teams . the free tier is tiny
  • Anyone needing published, self-serve pricing
  • Teams wanting simple page analytics . use GA4 or Plausible instead
  • Scaling teams averse to usage-based cost complexity

Pick PostHog when

  • Product-engineering teams
  • Startups consolidating analytics, replay, and flags
  • Teams leaving GA4
  • Open-source buyers

When PostHog is not a fit

  • Marketing teams wanting only simple web analytics
  • Non-technical buyers . it is built for product engineers
  • Anyone needing flat, predictable monthly bills
  • Buyers sold on proven auto-fix AI . it is new

Sources

  1. Heap by Contentsquare Reviews . G2g2.com
    review
  2. Heap Reviews . Gartner Peer Insightsgartner.com
    review
  3. Thoughts on Heap? . Reddit r/ProductManagementreddit.com
    review
  4. Pros and Cons of Heap.io over Mixpanel . Redditreddit.com
    review
  5. Heap Customer Reviews . SoftwareReviewssoftwarereviews.com
    review
  6. Heap . official site and pricing plansheap.io
    official
  7. Heap Customer Storiesheap.io
    official
  8. What is Heap Analytics? Pricing, Pros & Cons . Factors.aifactors.ai
    news
  9. Best Heap Analytics Alternative . Lyticallytical.ai
    news
  10. Heap Cost Complexity . Userpilotuserpilot.com
    news
  11. Heap Pricing Concerns . Usermavenusermaven.com
    news
  12. The best Heap alternatives . PostHogposthog.com
    news
  13. 6 best Heap alternatives . Mixpanelmixpanel.com
    news
  14. Heap Security Rating . UpGuardupguard.com
    security
  15. PostHog homepageposthog.com
    official
  16. PostHog on GitHub (open source)github.com
    official