Heap vs PostHog: Analytics Comparison (2026)

Heap and PostHog both offer product analytics with free tiers. Heap provides core analytics charts and unlimited enrichment sources, while PostHog offers a more comprehensive suite of features including product analytics, session replay, feature flags, and a managed warehouse with generous free usage limits.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask analytics questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

PostHog leads overall35% cited vs Heap 31% across 108 probes.
ChatGPT
HeapLeads
9 / 12 probes
75%
Excellent
PostHog
4 / 12 probes
33%
Good
Perplexity
Heap
0 / 12 probes
0%
Invisible
PostHogLeads
5 / 12 probes
42%
Good
Gemini
Heap
0 / 12 probes
0%
Invisible
PostHogLeads
5 / 12 probes
42%
Good
Claude
HeapLeads
8 / 12 probes
67%
Excellent
PostHog
2 / 12 probes
17%
Average
Copilot
Heap
0 / 6 probes
0%
Invisible
PostHogLeads
3 / 6 probes
50%
Excellent
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Heap
Starting price
Free tier
Yes
heap.io
PostHog
Starting price
Free tier
Yes
posthog.com

Key Features

Heap
  • Core analytics charts
  • Unlimited enrichment sources
  • 6 months data history
  • SSO
PostHog
  • Product Analytics: 1M events/mo free
  • Session Replay: 5K recordings/mo free
  • Feature Flags: 1M requests/mo free
  • Managed Warehouse: 1M rows/mo free
  • Usage-based pricing
  • No sales calls required
  • Generous free tiers
  • Single source of truth for customers

When to choose Heap

Heap is suitable for users who prioritize core analytics, unlimited data enrichment sources, and require SSO. It offers 6 months of data history.

When to choose PostHog

PostHog is suitable for users who need a comprehensive product suite including product analytics, session replay, feature flags, and a managed warehouse with usage-based pricing and generous free tiers. It is also good for users who prefer transparent pricing and no sales calls.

Frequently Asked Questions

What are the key differences in free tier offerings?
Heap's free tier includes core analytics charts, unlimited enrichment sources, 6 months of data history, and SSO. PostHog's free tier offers 1 million product analytics events/month, 5,000 session recordings/month, 1 million feature flag requests/month, and 1 million managed warehouse rows/month.
Do both vendors offer AI capabilities?
Heap offers an AI assistant. PostHog is noted for strong AI capabilities.
What is the pricing model for each vendor?
Heap has custom pricing for larger plans and add-on costs for advanced features, with support varying by plan. PostHog uses a usage-based pricing model with no sales calls required.
What integrations does each platform offer?
Heap does not list specific integrations. PostHog integrates with Stripe, error tracking tools, and support platforms.

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