Happy Valley

PostHog vs Sentry

PostHog and Sentry are both developer tools tools. PostHog is aimed at developers and small businesses, while Sentry is aimed at developers. Both have a free plan.

PostHog

Open-source product analytics, replays and flags

Sentry

Error and performance monitoring

PricingFreemiumFreemium · $29
Starting priceNot published$29/mo
Free planYesYes
Free trial—14 days
Built forDevelopers, Small businessesDevelopers
Platformswebweb
CountryUS · 2020US · 2012
Rating——

Choose PostHog if

Engineering-led startups and scale-ups that want analytics, replay, flags and experiments without three vendors.

  • Several products in one with shared data
  • Generous free allowances; usage-based beyond
  • Open source and engineer-friendly

Look elsewhere if: Marketing-only web analytics (Plausible) or large enterprises standardized on Amplitude.

Choose Sentry if

Engineering teams of any size that want to know when and why code breaks.

  • Best developer experience for debugging errors
  • SDKs for everything
  • Free tier for individuals

Look elsewhere if: Infrastructure metrics and logs at scale (Datadog, Grafana).

PostHog vs Sentry pricing

PostHog

  • Free$01M events, 5K recordings, 1M flag requests, 1,500 survey responses/mo
  • Pay-as-you-gofrom $0.00005/per eventPer product after free tier, as low as $0.000009/event; billing limits
  • Boost$250/moPlatform package: unlimited projects, SSO enforcement, HIPAA BAA
  • Scale$750/moPriority support, SAML; includes Boost
  • EnterpriseCustomRBAC, dedicated support, training

Sentry

  • Developer$01 user, 5k errors, 5 GB logs
  • Team$29/mo$26/mo billed annually; unlimited users, 50k errors
  • Business$89/mo$80/mo billed annually; 50k errors, 90-day lookback
  • EnterpriseCustomCustom quotas and support

PostHog · Key features

  • Product analytics: funnels, retention, paths, trends, lifecycle
  • Session replay with console and network logs
  • Feature flags and multivariate experiments
  • Surveys and in-app feedback
  • Data warehouse, HogQL SQL and CDP destinations
  • Error tracking and LLM observability

Cons

  • UI can feel dense; analytics UX trails Amplitude
  • Costs need monitoring across many products
  • Self-hosting only recommended for small scale

Sentry · Key features

  • Error tracking with stack traces, breadcrumbs and release tracking
  • Performance tracing and profiling
  • Session Replay tied to errors
  • Cron and uptime monitoring
  • Seer AI for root cause and fix suggestions
  • Suspect commits, issue ownership and alerting rules

Cons

  • Costs scale with event volume; sampling needed
  • Self-hosting is heavy
  • Alert noise without tuning

PostHog vs Sentry: FAQ

Do PostHog and Sentry have a free plan?

Yes, both PostHog and Sentry have a free plan; paid plans add more usage and features.

Which is better for small businesses, PostHog or Sentry?

PostHog lists small businesses as a core audience, while Sentry is aimed more at developers.

Not sure yet?