FullStory vs PostHog
A detailed comparison to help you choose the right tool for your needs.
AAbout FullStory
FullStory is a digital experience intelligence platform that captures every user interaction on your website or app, allowing teams to replay sessions, analyze behavior patterns, and identify friction points. It goes beyond traditional analytics by automatically indexing every click, scroll, and page transition without requiring manual event tagging, which it calls 'autocapture.' Product managers, UX designers, engineers, and marketers use it to understand why users behave the way they do — not just what they did. Its DX Data Engine and search capabilities let you quickly find relevant sessions and quantify the impact of bugs or UX issues. It's a powerful tool, though its pricing can be a barrier for smaller teams.
BAbout PostHog
PostHog is an open-source product analytics platform that combines event tracking, session recordings, feature flags, A/B testing, and a data warehouse into a single tool. It's designed for engineering and product teams who want full control over their data, with the option to self-host or use the cloud version. What makes PostHog unique is its all-in-one approach — replacing multiple tools like Mixpanel, LaunchDarkly, and Hotjar — along with its transparent, open-source codebase. The platform is especially popular with developer-centric startups and scale-ups who value data ownership and prefer to avoid vendor lock-in.
Pricing Comparison
Feature Comparison
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FullStory is a digital experience analytics tool that captures user interactions.
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PostHog is a powerful product analytics tool designed for modern teams.
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Score Comparison
Our Verdict
You need deep insights into user interactions for a digital experience-focused project.
Your mid-sized product team needs advanced analytics without upfront costs for experimentation.
FullStory vs PostHog: The Bottom Line
Both FullStory and PostHog are strong analytics tools, but they serve different needs. PostHog has a higher user rating (4.3 vs 4.0). On pricing, PostHog is more affordable starting at $0/mo.
Still unsure? Check the full reviews for FullStory and PostHog, explore FullStory alternatives, or use our AI search to describe exactly what you need.
Frequently Asked Questions
Is FullStory or PostHog better?
It depends on your needs. FullStory (4.0★) is from $100/mo, while PostHog (4.3★) is free to start. PostHog has a higher user rating.
Can I switch from FullStory to PostHog?
Yes. Most SaaS tools offer data export features. Check if PostHog has a migration guide or import tool specifically for FullStory users. Many offer onboarding assistance for switchers.
Which is cheaper, FullStory or PostHog?
PostHog starts at $0/mo, which is cheaper than FullStory at $100/mo. PostHog also offers a free plan.
What are the main differences between FullStory and PostHog?
FullStory focuses on session replay for user interactions and heatmaps for user engagement analysis, while PostHog emphasizes event tracking with user segmentation and cohort analysis for targeted insights. Both are in the Analytics category but serve slightly different use cases.