PostHog vs FullStory: Which is Better in 2026?
Choosing between PostHog and FullStory 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. Google Analytics is our overall Product Analytics pick. Google Analytics is our free Product Analytics pick. Pick FullStory if you need web analytics.
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:
- • You want a free tier before you commit
- • You want open source
- • You want all-in-one
FullStory
Digital experience intelligence
Best for you if:
- • You want great session replay
- • You want frustration signals
| At a Glance | PostHog | FullStory |
|---|---|---|
Starts at | FreeFree tier available | Custom |
Best For | Product Analytics | Web Analytics |
Rating | 4.5/5 | 4.5/5 |
Free plan | Yes | No |
Choose PostHog or FullStory?
Choose PostHog if
Open-source product analytics with event tracking, feature flags, and session recording
- You want a free tier before you commit
- You want open source
- You want all-in-one
- Your work is product analytics-shaped, not web analytics-shaped
Choose FullStory if
Digital experience intelligence
- You want great session replay
- You want frustration signals
- Your work is web analytics-shaped, not product analytics-shaped
| Feature | PostHog | FullStory |
|---|---|---|
| Pricing Model | Freemium | Paid |
| User Rating | ★4.5/5 1,054 reviews | ★4.5/5 1,119 reviews |
| Categories | Product AnalyticsWeb Analytics | Web AnalyticsProduct Analytics |
In-Depth Analysis
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
FullStory
Digital experience intelligence
FullStory's pricing is on the expensive side, especially for smaller businesses.
Watch out
Overage fees for exceeding session limits
Strengths
- +Great session replay
- +Frustration signals
- +Rich analytics
Weaknesses
- -Expensive
- -Privacy concerns
Key features
Pricing: PostHog vs FullStory
| Plan | PostHog | FullStory |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | Custom Usage-Based | Contact Sales Business |
| Tier 3 | $750 Scale | Contact Sales Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on PostHog pricing and FullStory 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?
PostHog: 4.5/5 (1,054 reviews). FullStory: 4.5/5 (1,119 reviews).
Go with: PostHog
Value user reviews?
PostHog: 1,054 reviews (4.5/5). FullStory: 1,119 reviews (4.5/5).
Go with: FullStory
3 Questions to Help You Decide
What's your budget?
PostHog is freemium. FullStory is paid. PostHog lets you start free.
What's your use case?
PostHog is a product analytics tool. FullStory is in web analytics. Pick the category that matches your needs.
How important are ratings?
Both are rated 4.5/5.
Key Takeaways
PostHog
- Free tier available
- Our pick for this comparison
FullStory
- Larger review base (1,119 reviews)
- Better fit for web analytics
The Bottom Line
PostHog wins this matchup. Google Analytics is our overall Product Analytics pick. Google Analytics is our free Product Analytics pick.
Frequently Asked Questions
Is PostHog or FullStory better?
PostHog is rated in our evaluation. PostHog is freemium and FullStory is paid.
What are PostHog and FullStory used for?
PostHog: Open-source product analytics with event tracking, feature flags, and session recording. FullStory: Digital experience intelligence.
What does PostHog cost vs FullStory?
PostHog is freemium (free tier + paid plans). FullStory is a paid tool. Visit their websites for detailed pricing.