PostHog vs Heap (2026): Which Analytics Tools Tool Is Actually Better?
⚡ Quick Verdict
PostHog beats Heap for marketers in 2026. PostHog scores 4.7/10 to Heap's 4.3/10. PostHog also has a free plan.
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PostHog — Our Verdict
PostHog is the stronger choice for marketers — it scores 4.7/10 vs 4.3/10 and wins on 90%+ of companies use it for free. Heap is worth considering if retroactive analysis without pre-planning events is your top priority.
- 90%+ of companies use it for free
- 10+ products in one platform
- Open source with self-hosting option
Pros
- 90%+ of companies use it for free
- 10+ products in one platform
- Open source with self-hosting option
- Generous free tier for early-stage companies
Cons
- Usage-based billing can be unpredictable at scale
- Complex for non-technical marketers
- Some features still maturing vs. dedicated tools
PostHog vs Heap (2026): Which Analytics Tools Tool Is Actually Better?
Budget is often the deciding factor when choosing between PostHog and Heap. PostHog starts at $0 (usage-based) while Heap comes in at Custom (contact for Growth) — but the real question isn’t just cost, it’s what you get for your money. We spent weeks using both web analytics and data tools tools to build this no-fluff comparison.
Bottom line up front: PostHog is our pick for marketers — read on for why, and where Heap wins instead.
Quick Verdict
| PostHog | Heap | |
|---|---|---|
| Our Rating | 4.7/10 | 4.3/10 |
| Free Plan | ✅ Yes | ✅ Yes |
| Starting Price | $0 (usage-based) | Custom (contact for Growth) |
| Best For | Product and engineering teams who want… | Product teams who want retroactive behavioral… |
| Our Pick | ⭐ Winner |
About PostHog
PostHog is a web analytics and data tools tool known for its capabilities. It’s designed for Product and engineering teams who want an all-in-one open-source analytics platform that scales from startup to IPO and has built a strong reputation for 90%+ of companies use it for free.
Key features:
What makes it stand out: 90%+ of companies use it for free. 10+ products in one platform
Where it falls short: Usage-based billing can be unpredictable at scale. Complex for non-technical marketers
About Heap
Heap takes a different approach to web analytics and data tools. It’s built around its core strengths and is particularly well-suited for Product teams who want retroactive behavioral analytics without pre-instrumenting every event.
Key features:
What makes it stand out: Retroactive analysis without pre-planning events. Comprehensive user journey analysis
Where it falls short: Custom pricing means lack of transparency. Free plan limited to 10K sessions
Feature-by-Feature Comparison
| Feature | PostHog | Heap |
|---|
The feature gap between these tools reflects their different design philosophies. PostHog prioritizes breadth, while Heap goes deeper on specific use cases.
For a full look at PostHog’s capabilities, see our PostHog review. For Heap, read the Heap review.
Pricing Comparison
| Plan | PostHog | Heap |
|---|---|---|
| Free | Free tier available | Free tier available |
| Pro | ❌ Not available | Custom/mo (Custom annually) |
| Enterprise | ❌ Not available | Custom/mo (Custom annually) |
Important pricing notes:
- All prices verified as of 2026-03-28. Check official pages before purchasing.
- PostHog has a free plan — see full PostHog pricing breakdown for limits.
- Heap has a free plan — see Heap pricing details.
Pros and Cons
PostHog Pros and Cons
Pros:
- ✅ 90%+ of companies use it for free
- ✅ 10+ products in one platform
- ✅ Open source with self-hosting option
- ✅ Generous free tier for early-stage companies
Cons:
- ❌ Usage-based billing can be unpredictable at scale
- ❌ Complex for non-technical marketers
- ❌ Some features still maturing vs. dedicated tools
Heap Pros and Cons
Pros:
- ✅ Retroactive analysis without pre-planning events
- ✅ Comprehensive user journey analysis
- ✅ Auto-capture eliminates instrumentation work
- ✅ Now part of Contentsquare for enhanced DX analytics
Cons:
- ❌ Custom pricing means lack of transparency
- ❌ Free plan limited to 10K sessions
- ❌ Add-ons (replay, heatmaps) cost extra
Which One Should You Choose?
The right answer depends on what you’re actually trying to accomplish:
Best for marketers: PostHog — 90%+ of companies use it for free
Best for developers: Heap — Retroactive analysis without pre-planning events
Best for ecommerce: PostHog — 10+ products in one platform
If you’re still on the fence: PostHog is the safer default. It scores 4.7/10 in our testing versus Heap’s 4.3/10, and 90%+ of companies use it for free.
Note: This is a non-affiliate link. We don’t earn commission on PostHog — our recommendation is based entirely on merit.
Frequently Asked Questions
Is PostHog better than Heap? PostHog scores higher in our testing (4.7/10 vs 4.3/10). PostHog is the better choice for marketers due to 90%+ of companies use it for free. However, Heap is a stronger fit if retroactive analysis without pre-planning events.
What’s cheaper, PostHog or Heap? PostHog starts at $0 (usage-based), while Heap starts at Custom (contact for Growth). PostHog has a free plan. Heap also has a free tier. See the pricing comparison table above for the full plan breakdown.
Does PostHog have a free plan? Yes. PostHog offers a free tier — Free tier available. This makes it easy to test before committing to a paid plan.
Does Heap have a free plan? Yes. Heap offers a free tier — Free tier available.
Related Comparisons & Guides
- PostHog Full Review
- PostHog Pricing 2026
- PostHog Alternatives
- PostHog vs Google Analytics 4
- PostHog vs Mixpanel
- PostHog vs Hotjar
- Heap Full Review
- Heap Pricing
Frequently Asked Questions
Is PostHog better than Heap?
What's cheaper, PostHog or Heap?
Does PostHog have a free plan?
Does Heap have a free plan?
Try PostHog yourself
See current pricing and features on the official site.