Heap vs PostHog: Which is Better in 2026?
Choosing between Heap and PostHog 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.
Bottom line: PostHog wins this matchup. Our overall Product Analytics pick is Google Analytics. Our free Product Analytics pick is Firebase Analytics. Pick Heap if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Heap
Automatic product analytics for user behavior insights
Best for you if:
- • You want auto-capture
- • You want retroactive data
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • You want open source
- • You want all-in-one
| At a Glance | Heap | PostHog |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Product Analytics | Product Analytics |
Rating | 4.4/5 | 4.5/5 |
Free plan | Yes | Yes |
Choose Heap or PostHog?
Choose Heap if
Automatic product analytics for user behavior insights
- You want auto-capture
- You want retroactive data
- Budget matters (Free vs Free)
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- You want open source
- You want all-in-one
| Feature | Heap | PostHog |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.4/5 1,139 reviews | ★4.5/5 1,054 reviews |
| Categories | Product AnalyticsWeb Analytics | Product AnalyticsWeb Analytics |
In-Depth Analysis
Heap
Automatic product analytics for user behavior insights
Heap's pricing is fair for its Free and Growth tiers, offering good value for startups and growing businesses.
Watch out
Overage fees likely for exceeding session limits.
Strengths
- +Auto-capture
- +Retroactive data
- +Easy setup
Weaknesses
- -Data can be noisy
- -Enterprise pricing
Key features
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
PostHog's pricing is quite generous, especially with its robust free tier offering 1M events and unlimited seats.
Watch out
Overage fees for events beyond free tier
Strengths
- +Open source
- +All-in-one
- +Self-hostable
Weaknesses
- -Complex setup
- -Can get expensive
Key features
Pricing: Heap vs PostHog
| Plan | Heap | PostHog |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | $300 Growth | Custom Usage-Based |
| Tier 3 | Custom Pro | $750 Scale |
Pricing verified from each vendor's public pricing page. Compare in detail on Heap pricing and PostHog pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Heap
Want the highest-rated option?
Heap: 4.4/5 (1,139 reviews). PostHog: 4.5/5 (1,054 reviews).
Go with: PostHog
Value user reviews?
Heap: 1,139 reviews (4.4/5). PostHog: 1,054 reviews (4.5/5).
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 (1,139 reviews)
The Bottom Line
PostHog wins this matchup. Our overall Product Analytics pick is Google Analytics. Our free Product Analytics pick is Firebase Analytics.
Frequently Asked Questions
Is Heap or PostHog better?
PostHog is rated in our evaluation. Both are freemium.
What are Heap and PostHog used for?
Heap: Automatic product analytics for user behavior insights. PostHog: Open-source product analytics with event tracking, feature flags, and session recording.
What does Heap cost vs PostHog?
Heap is freemium (free tier + paid plans). PostHog is freemium (free tier + paid plans). Visit their websites for detailed pricing.