Choose FullStory if
Mid-to-large product teams and UX researchers
Capabilities only listed for FullStory
Important considerations: Free excludes advanced dashboards, StoryAI, mobile capture, and configurable privacy; paid pricing is quote-based.
FullStory vs PostHog comparison
Compare pricing, deployment, product fit, integrations, and capabilities side by side.
Which platform fits your needs?
Choose PostHog if
Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain
Capabilities only listed for PostHog
Important considerations: Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work.
Shared capabilities
GDPR compliant
Free plan
Real-time data
E-commerce tracking
App analytics
Event tracking
Behavior analytics
Funnels
Revenue tracking
Error tracking
Audience insights
User segments
Session recordings
Heatmaps
Goals
Data export
Integrations
Custom reports
AI insights
Retention analytics
Cohort analysis
| Attribute | FullStory | PostHog |
|---|---|---|
| Overview | A digital experience analytics platform combining session replay, heatmaps, funnels, event analytics, and AI insights for both web and mobile. | A product and web analytics platform for developers that combines usage analytics, session replay, feature flags, experiments, surveys, and data tooling in one stack, with both cloud and self-hosted deployment options. |
| Pricing | Fullstory Free includes 30,000 monthly sessions and 12 months of analytics retention; Business, Advanced, and Enterprise pricing is quote-based | Cloud product analytics includes 1M events/month free, then starts at $0.00005 per event; other products have separate usage-based free tiers |
| Deployment | Vendor-hosted cloud | Self-hosted and hosted options |
| Best for | Mid-to-large product teams and UX researchers | Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain |
| Operator | Fullstory, Inc. Independent private company | PostHog Inc. Independent private company |
| Company base | Atlanta, United States · United States | Distributed organization |
| Organization scale | at least 200 employees · operator, as of 5 May 2020 | 215 team members · operator, as of 13 Aug 2026 |
| Recent direction | AI-assisted analysis Recent official evidence shows a focus on AI-assisted analysis. | AI-assisted analysis Recent official evidence shows a focus on AI-assisted analysis. |
| Key features |
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| Important considerations | Free excludes advanced dashboards, StoryAI, mobile capture, and configurable privacy; paid pricing is quote-based. | Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work. |
| Integrations | Segment, Salesforce, CRMs, Dev tools | Slack, Zapier, Segment |
| Fact check | We checked this information against official vendor sources on 2026-08-08. | We checked this information against official vendor sources on 2026-08-08. |
Capability matrix
This matrix shows capabilities recorded in our catalog. Not listed means we have not confirmed the capability here. Check the linked vendor sources for plan, deployment, and usage limits.
| Attribute | FullStory | PostHog |
|---|---|---|
| A/B testing | Not listed | Listed |
| AI insights | Listed | Listed |
| App analytics | Listed | Listed |
| Audience insights | Listed | Listed |
| Behavior analytics | Listed | Listed |
| CCPA compliant | Listed | Not listed |
| Cohort analysis | Listed | Listed |
| Cross-device tracking | Listed | Not listed |
| Custom reports | Listed | Listed |
| Data export | Listed | Listed |
| Data ownership | Not listed | Listed |
| E-commerce tracking | Listed | Listed |
| Enterprise | Not listed | Listed |
| Error tracking | Listed | Listed |
| Event tracking | Listed | Listed |
| Free plan | Listed | Listed |
| Funnels | Listed | Listed |
| GDPR compliant | Listed | Listed |
| Goals | Listed | Listed |
| Heatmaps | Listed | Listed |
| Integrations | Listed | Listed |
| Open source | Not listed | Listed |
| Real-time data | Listed | Listed |
| Retention analytics | Listed | Listed |
| Revenue tracking | Listed | Listed |
| Self-hosted | Not listed | Listed |
| Session recordings | Listed | Listed |
| Surveys | Not listed | Listed |
| User segments | Listed | Listed |