PostHog vs Fullstory

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PostHog compared with Fullstory
Detail	PostHog	Fullstory
What it does	Your product's context layer	The Intelligent Digital Experience Company
Stage	Established	Established
Founded	2020	Not given
Based in	Not given	Not given
Pricing model	freemium, usage-based	freemium
Pricing	97% of companies use PostHog for free. Free tier includes 1M events/month for analytics, 5K recordings/month for session replay, 1M requests/month for feature flags, and more. Paid plans offer usage-based pricing starting at $0.00005 per event for analytics, $0.005 per recording for session replay,	Not given
Key features	Product Analytics Session Replay Error Tracking Feature Flags Experiments Surveys Managed warehouse Data pipelines AI Observability Workflows	Fullcapture - automatic capture of every user interaction Guides and Surveys for in-app guidance Workforce for employee experience management Data Activation with real-time personalization
What makes it different	Single platform combining all product data tools instead of multiple separate services Generous free tier that resets monthly with no credit card required Usage-based pricing matching the cheapest competitor at every scale AI agents can automatically diagnose problems and generate pull requests Open source codebase and transparent company operations	Unified platform for customer and employee experience
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	90 no change since last check	84 no change since last check
Trust Flow (Majestic)	53	46
Citation Flow (Majestic)	61	56
Referring domains (Majestic)	26590	10985

5 details filled in for both companies.

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