PostHog vs Heap: Which is better in 2026?
A side-by-side comparison of pricing, features, and use cases to help you decide between PostHog and Heap.
PostHog
All-in-one product analytics, open source
From Free/mo
Free plan available
Heap
Auto-capture analytics — no tagging required
From Free/mo
Free plan available
Head-to-head comparison
| Feature | PostHog | Heap |
|---|---|---|
| Starting price | Free/mo | Free/mo |
| Free plan | ✓ Yes | ✓ Yes |
| Pricing model | freemium | freemium |
| G2 rating | 4.4/5 | 4.4/5 |
| Capterra rating | 4.5/5 | 4.5/5 |
| Founded | 2020 | 2012 |
PostHog: pros & cons
Pros
- ✓Open source with self-hosted option
- ✓All-in-one platform
- ✓Very generous free tier
- ✓Developer-friendly
Cons
- ✗Less polished UI than Amplitude/Mixpanel
- ✗Self-hosting requires technical expertise
- ✗Usage-based pricing can surprise
Heap: pros & cons
Pros
- ✓No manual event tagging needed
- ✓Retroactive analysis
- ✓Good session replay
- ✓Easy to get started
Cons
- ✗Pricing not transparent
- ✗Can generate too much noise
- ✗Advanced features expensive