FullStory vs PostHog: Which is Better in 2026?
Choosing between FullStory 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
FullStory
Digital experience intelligence
Best for you if:
- • You need web analytics features specifically
- • FullStory is a digital experience platform that records and analyzes user sessions
- • It captures every click and scroll to help teams understand and improve UX
PostHog
Open-source product analytics with event tracking, feature flags, and session recording
Best for you if:
- • You want to try before committing
- • You need product analytics features specifically
- • All-in-one product OS (analytics, flags, replay)
- • Open source and self-hostable
| At a Glance |  FullStory |  PostHog |
|---|---|---|
Starts at | Contact Sales/moBusiness | Custom/moUsage-Based |
Best For | Web Analytics | Product Analytics |
Rating | - | - |
Choose FullStory or PostHog?
Choose FullStory if
Digital experience intelligence
- Great session replay
- Frustration signals
- Rich analytics
- Your work is web analytics-shaped, not product analytics-shaped
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- Open source
- All-in-one
- Self-hostable
- Your work is product analytics-shaped, not web analytics-shaped
| Feature | FullStory | PostHog |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | ★4.5/5 936 reviews | ★4.5/5 1,036 reviews |
| Categories | Web AnalyticsProduct Analytics | Product AnalyticsWeb Analytics |
In-Depth Analysis
FullStory
Digital experience intelligence
Strengths
- +Great session replay
- +Frustration signals
- +Rich analytics
Weaknesses
- -Expensive
- -Privacy concerns
Key features
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
Pricing: FullStory vs PostHog
| Plan | FullStory | PostHog |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | Contact Sales Business | Custom Usage-Based |
| Tier 3 | Contact Sales Enterprise | $750 Scale |
Pricing verified from each vendor's public pricing page. Compare in detail on FullStory pricing and PostHog pricing.
Who Should Use What?
On a budget?
PostHog has a free tier. FullStory is paid only.
Go with: PostHog
Want the highest-rated option?
Neither has user reviews yet.
Go with: FullStory
Value user reviews?
Neither has user reviews yet.
Go with: PostHog
3 Questions to Help You Decide
What's your budget?
FullStory is paid. PostHog is freemium. PostHog lets you start free.
What's your use case?
FullStory is a web analytics tool. PostHog is in product analytics. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
PostHog
- Larger review base (1,036 reviews)
- Free tier available
- Our pick for this comparison
FullStory
- Better fit for web analytics
The Bottom Line
PostHog is our pick.
Frequently Asked Questions
Is FullStory or PostHog better?
PostHog is rated in our evaluation. FullStory is paid and PostHog is freemium.
What are FullStory and PostHog used for?
FullStory: Digital experience intelligence. PostHog: Open-source product analytics with event tracking, feature flags, and session recording.
What does FullStory cost vs PostHog?
FullStory is a paid tool. PostHog is freemium (free tier + paid plans). Visit their websites for detailed pricing.