PostHog vs Heap
A detailed comparison of PostHog and Heap — features, pricing, privacy compliance, and which tool is best for your use case.
PostHog
PostHog is an open-source product analytics suite offering event tracking, session replay, feature flags, A/B testing, and surveys in a single platform.
Best for: Product teams needing analytics, feature flags, and session replay in one tool
Heap
Heap is a digital insights platform that automatically captures every user interaction on your site, enabling retroactive analysis without manual event instrumentation.
Best for: Product teams wanting auto-captured behavioral data
Feature Comparison
| Feature | PostHog | Heap |
|---|---|---|
| Cookie-free tracking | ✗ | ✗ |
| Requires consent banner | ✗ | ✗ |
| AI-powered insights | ✓ | ✓ |
| Open source | ✓ | ✗ |
| Script size | ~80KB | ~60KB |
| Custom event tracking | ✓ | ✓ |
| Funnel analysis | ✓ | ✓ |
| Real-time dashboard | ✓ | ✗ |
| Team management | ✓ | ✓ |
| REST API access | ✓ | ✓ |
| Free tier | Free — 1M events/mo | Free — up to 10K sessions/mo |
| Paid plans | Pay-per-use after free tier | Growth plan (custom pricing) |
Where PostHog Wins
- All-in-one product analytics suite
- Generous free tier (1M events)
- Open source and self-hostable
- Session replay included
- Feature flags and A/B testing
Where Heap Wins
- Auto-capture of all interactions
- Retroactive analysis without pre-instrumentation
- Powerful segmentation
- Session replay
- Journey mapping
Consider ActionLab Analytics
Looking for a privacy-first alternative with AI-powered insights? ActionLab Analytics offers cookie-free tracking, real-time dashboards, and AI that tells you what to change — not just what happened. Start free with 100K events/month.
- AI-powered actionable insights
- No cookies or consent banners needed
- Sub-2KB tracking script
- Real-time dashboard
- Full GDPR/CCPA/PECR compliance
Verdict
Both PostHog and Heap have strengths. Your decision depends on whether you prioritize product teams needing analytics, feature flags, and session replay in one tool or product teams wanting auto-captured behavioral data. For a privacy-first alternative with AI insights, consider ActionLab Analytics.
Frequently Asked Questions
Which is better, PostHog or Heap?
The best choice depends on your priorities. PostHog and Heap each have different strengths. Consider your needs around privacy compliance, pricing, feature depth, and ease of use when deciding.
Can I use PostHog and Heap together?
Technically yes, but running multiple analytics scripts adds page weight and complexity. Consider whether a single tool that covers your needs — like ActionLab Analytics — might be a simpler solution.
Is there a privacy-friendly alternative to both PostHog and Heap?
Yes. ActionLab Analytics is a privacy-first alternative that requires no cookies or consent banners. It provides AI-powered insights, real-time analytics, and full GDPR/CCPA compliance with a sub-2KB tracking script. Free tier includes 100K events/month.