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FullStory vs PostHog

A detailed comparison to help you choose between FullStory and PostHog.

Last reviewed:
F
FullStory

Digital experience intelligence with session replay

P
PostHog

Open-source product analytics with session replay and feature flags.

FeatureFullStoryPostHog
Pricing ModelPaidFreemium
Free TierNoYes
Monthly Cost (Solo)$500+$0
Target Audiencestartups, enterprisesolopreneurs, startups, developers
VerifiedNoYes
Solo-FriendlyNoYes
Open SourceNoYes
Editorial Rating4.3/54.4/5
CategoriesAnalyticsAnalytics, Developer Tools
Key FeaturesSession replay, Heatmaps, Frustration signals detection, Conversion funnels, Error trackingProduct analytics, Session replay, Feature flags, A/B testing, Surveys
Free Tier QualityNone
excellent

Pricing Breakdown

FullStory

Quote-based. Business: estimated $500-2,000/month. Advanced and Enterprise: custom. 14-day free trial available.

PostHog

Free: 1M events/month, 5K recordings. Usage-based: $0.000045/event beyond free. Self-hosted: free (open source). No per-seat pricing.

Integration Overlap

Shared Integrations (2)

SegmentSlack

Only in FullStory (6)

Google AnalyticsJiraSalesforceIntercomZendeskOptimizely

Only in PostHog (8)

Next.jsReactPythonRubyGoZapierGitHubSentry

Use Case Fit

FullStory

  • * User experience debugging
  • * Conversion optimization
  • * Bug reproduction
  • * Customer support context
  • * UX research

PostHog

  • * Product usage analytics
  • * Session recording and replay
  • * Feature flags and rollouts
  • * A/B testing and experimentation
  • * User surveys and feedback

FullStory

Pros

  • + Best session replay quality in the industry
  • + Frustration signal detection is unique
  • + Comprehensive DX insights
  • + Strong privacy controls

Cons

  • - Expensive for high-traffic sites
  • - Can be resource-intensive on client side
  • - Free plan discontinued
  • - Data retention limits on lower plans

PostHog

Pros

  • + All-in-one product analytics
  • + Generous free tier (1M events/mo)
  • + Open source and self-hostable
  • + Session replay included

Cons

  • - UI less polished than Amplitude
  • - Learning curve
  • - Self-hosting requires resources

Editorial Verdict

PostHog takes the lead for solo founders — it offers better value and is explicitly solo-friendly. FullStory may still be the right pick if you need deep Analytics features or plan to scale to a larger team.

Sarah Chen

Editor-in-Chief