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.
Bottom line: PostHog wins this matchup. Google Analytics is our overall Web Analytics pick. Google Analytics is our free Web Analytics pick. Pick FullStory if you need web analytics.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
FullStory
Digital experience intelligence
Best for you if:
- • You want great session replay
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
| At a Glance | FullStory | PostHog |
|---|---|---|
Starts at | Custom | Free Free plan |
Category | Web Analytics Product Analytics | Product Analytics Web Analytics |
Rating | 4.5/5 G2 4.5 · Capterra 4.6 1,119 reviews | 4.5/5 G2 4.5 1,054 reviews |
Free plan | No | Yes |
Watch out for | Overage fees for exceeding session limits | Overage fees for events beyond free tier |
Choose FullStory or PostHog?
Choose FullStory if
- You want great session replay
- You want frustration signals
- You work in web analytics, not product analytics
Choose PostHog if
- You want a free tier before you commit
- You want open source
- You want all-in-one
- You work in product analytics, not web analytics
In-Depth Analysis
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
- Pro: Great session replay
- Pro: Frustration signals
- Pro: Rich analytics
Weaknesses
- Con: Expensive
- Con: Privacy concerns
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
- Pro: Open source
- Pro: All-in-one
- Pro: Self-hostable
Weaknesses
- Con: Complex setup
- Con: 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.
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 Web Analytics pick. Google Analytics is our free Web Analytics pick.
Frequently Asked Questions
Is FullStory or PostHog better in 2026?
PostHog wins this matchup. Google Analytics is our overall Web Analytics pick. Google Analytics is our free Web Analytics pick. Pick FullStory for web analytics workflows (main strength: great session replay). Pick PostHog for product analytics workflows (main strength: open source).
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 pricing is on their site. PostHog's paid plans start at Free (Scale).
What's the main difference between FullStory and PostHog?
FullStory's main strength: great session replay. PostHog's main strength: open source.