PostHog
A product platform for engineering teams, covering analytics, replay, feature management, experiments, and observability with usage-based pricing.
About PostHog
PostHog is an engineering-focused product platform that combines product analytics, web analytics, session replay, feature flags, experiments, surveys, error tracking, managed warehouse tools, CDP, workflows, logs, and AI observability. Teams can capture events, inspect behavior, replay sessions, test releases, and evaluate flags in the same workspace. Its API supports event capture and authenticated operations, while web, CLI, Slack, and MCP surfaces fit different engineering workflows. The free plan includes one project, one year of retention, unlimited team members, and monthly allowances such as 1 million analytics events, 5,000 session recordings, and 1 million feature-flag requests. Adding a card provides pay-as-you-go usage, six projects, seven-year retention, and email support. Costs vary by product and volume, so teams should set product-level billing limits and estimate several usage meters before adopting it broadly.
Best for
Best use cases
Start with one free project to instrument a new product.
Add a card when usage or retention needs exceed the free plan.
Set billing limits before rolling PostHog out across high-volume products.
Compare before choosing
Compare the combined toolkit with the cost of separate analytics, replay, flag, and error tools.
Model each usage meter rather than comparing only a single seat price.
Check project count, retention, support, region, and API requirements before choosing a plan.
Features
Analyze product behavior
Capture events and use product or web analytics to understand feature adoption, journeys, and usage patterns.
Review user sessions and errors
Combine session replay with error tracking to inspect what happened before a problem and prioritize fixes.
Release and test features
Use feature flags, experiments, surveys, and workflows to control rollouts and measure user response.
Pros
- Combines analytics, replay, flags, experiments, and error tracking in one workflow.
- Free monthly allowances make evaluation inexpensive for lower-volume teams.
- Multiple developer surfaces and APIs support automation and existing toolchains.
Cons
- Usage-based meters across products require active cost monitoring.
- The free plan allows only one project and keeps data for one year.
- API clients must handle authentication and region-specific domains correctly.
Pricing Plans
Free
- 1 project
- 1-year data retention
- Unlimited team members
- Community support
- Monthly free tier across products
Pay-as-you-go
- 6 projects
- 7-year data retention
- Email support
- Product-level billing limits
- Charges begin after each product’s monthly free tier
* Pricing information is for reference only. Please refer to the latest announcement on PostHog's official website.