PostHog vs Heap: Which is Better in 2026?
Choosing between PostHog and Heap comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • All-in-one product OS (analytics, flags, replay)
- • Open source and self-hostable
Heap
Automatic product analytics for user behavior insights
Best for you if:
- • Heap is a digital analytics platform that captures all user interactions automatically
- • It provides retroactive analytics without manual event tracking for product insights
| At a Glance |  PostHog |  Heap |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Product Analytics | Product Analytics |
Rating | 4.5/5 | 4.4/5 |
Choose PostHog or Heap?
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- Open source
- All-in-one
- Self-hostable
Choose Heap if
Automatic product analytics for user behavior insights
- Auto-capture
- Retroactive data
- Easy setup
- Budget matters (Free vs Free)
| Feature | PostHog | Heap |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.5/5 1,036 reviews | ★4.4/5 1,129 reviews |
| Categories | Product AnalyticsWeb Analytics | Product AnalyticsWeb Analytics |
In-Depth Analysis
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Strengths
- +Open source
- +All-in-one
- +Self-hostable
Weaknesses
- -Complex setup
- -Can get expensive
Key features
Heap
Automatic product analytics for user behavior insights
Strengths
- +Auto-capture
- +Retroactive data
- +Easy setup
Weaknesses
- -Data can be noisy
- -Enterprise pricing
Key features
Pricing: PostHog vs Heap
| Plan | PostHog | Heap |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | Custom Usage-Based | $300 Growth |
| Tier 3 | $750 Scale | Custom Pro |
Pricing verified from each vendor's public pricing page. Compare in detail on PostHog pricing and Heap pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: PostHog
Want the highest-rated option?
PostHog: 4.5/5 (1,036 reviews). Heap: 4.4/5 (1,129 reviews).
Go with: PostHog
Value user reviews?
PostHog: 1,036 reviews (4.5/5). Heap: 1,129 reviews (4.4/5).
Go with: Heap
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are product analytics tools. Compare their specific features to decide.
How important are ratings?
PostHog is rated higher: 4.5/5 vs 4.4/5.
Key Takeaways
PostHog
- Higher user rating: 4.5/5 vs 4.4/5
- Free tier available
- Our pick for this comparison
Heap
- Larger review base (1,129 reviews)
The Bottom Line
PostHog is our pick.
Frequently Asked Questions
Is PostHog or Heap better?
PostHog is rated in our evaluation. Both are freemium.
What are PostHog and Heap used for?
PostHog: Open-source product analytics with event tracking, feature flags, and session recording. Heap: Automatic product analytics for user behavior insights.
What does PostHog cost vs Heap?
PostHog is freemium (free tier + paid plans). Heap is freemium (free tier + paid plans). Visit their websites for detailed pricing.