Jitsu vs PostHog

PostHog combines analytics with session replay and feature flags, whereas Jitsu is a pure data pipeline.

JitsuOpen-source event collection and data pipeline

PostHogProduct analytics, session replay and feature flags

Which to pick

Pick Jitsu if you want…

Warehouse-first event collection and streaming
Integrations with HTML, React or Snowflake (on Jitsu's list, not PostHog's)

Pick PostHog if you want…

Unified product analytics with AI assistance
Analytics with session replay
Integrations with Stripe, GitHub or Google Ads (on PostHog's list, not Jitsu's)

Side by side

What it is: Jitsu:Open-source platform that captures event data from web, app, email, chatbot, CRM and streams it in real-time to data warehouses and tools.; PostHog:PostHog is an all-in-one product analytics platform with session replay, error tracking, feature flags and AI-driven insights.
Best for: Jitsu:Warehouse-first event collection and streaming; PostHog:Unified product analytics with AI assistance
Who it’s for: Jitsu:Product and data teams that need a self-hosted, warehouse-first event pipeline.; PostHog:Product teams and engineers who need analytics, monitoring and automated issue resolution.
Pricing: Jitsu:Freemium; PostHog:Freemium
Plans: Jitsu:Free $0 · Business $99 per month per month; PostHog:Free $0 · Pay-as-you-go $0 per month · Platform packages $0
Open source: Jitsu:Yes, 5,103 GitHub stars; PostHog:Yes, 40,071 GitHub stars
Works with: Jitsu:HTML, React, Snowflake, Redshift, Postgres, MySQL, ClickHouse; PostHog:Stripe, GitHub, Google Ads, Postgres, HubSpot, Zendesk, Linear, Slack

Jitsu features

Simple tag integration. Add a single script tag to capture events, similar to Google Analytics or Segment.
Realtime streaming. Events are sent to the chosen warehouse in real-time, ready for analysis within minutes.
Jitsu Functions. Custom JavaScript functions to modify, filter or augment events before storage.
Open-source & self-hostable. MIT-licensed code can be deployed on any cloud or on-prem infrastructure.
Built-in ClickHouse. Free ClickHouse warehouse included, with optional use of Snowflake, BigQuery, Redshift, Postgres, MySQL.
Identity stitching. Automatically builds a real-time identity graph without manual SQL joins.

PostHog features

Product Analytics. Capture, store and query events with a free tier of 1 M events per month.
Session Replay. Record user sessions (5 K free recordings) and surface dead clicks or crashes.
Error Tracking. Collect exceptions and stack traces, grouped into actionable issues.
Feature Flags & Experiments. Toggle features and run A/B tests with 1 M free flag requests per month.
AI Observability. Ask natural-language questions; AI generates diagnostics and pull-request suggestions.
Managed Data Warehouse. Store raw events, rows and logs; query via SQL or BI tools.
Workflows & Inbox. Automated agents create PRs, prioritize findings and route tickets to GitHub, Zendesk, etc.
Integrations. Ingest data from 120+ sources like Stripe, Postgres, HubSpot, Google Ads and more.

Jitsu vs PostHog FAQ

Is Jitsu or PostHog free?+

Jitsu has a free plan; paid plans start at $99/month (Business). PostHog has a free plan and paid plans.

Is Jitsu or PostHog open source?+

Yes, both are open source: Jitsu (jitsucom/jitsu on GitHub, MIT license) and PostHog (PostHog/posthog on GitHub).

Do Jitsu and PostHog integrate with the same tools?+

Partly. Both list Postgres. Jitsu also lists HTML, React, Snowflake, Redshift and 2 more; PostHog also lists Stripe, GitHub, Google Ads, HubSpot and 3 more.

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