PostHog

PostHog ingests events, session replays, errors, logs and data from external sources, and keeps them together so one question can span all of them. The tool list includes product analytics, web analytics, session replay, error tracking, feature flags, experiments, surveys, AI observability, a data warehouse, a CDP, workflows and heatmaps. External sources such as Stripe, Hubspot, Postgres and S3 can be queried with SQL next to product data.

PostHog AI answers questions in plain language. In the site's sample, it traces a drop in paid conversion across Google Ads, funnels, Stripe and GitHub changes. An inbox surfaces findings as reports, some with draft pull requests. Setup runs through a wizard command that detects the framework, and an official MCP server lets coding assistants query product data from the editor. A Slack app and a desktop app are also listed.

Suited to product and engineering teams that want analytics, replays, experiments and error data in one place instead of several separate tools. Developers who work with AI coding assistants and want product data available in their editor are a clear fit. Teams that only need a single narrow tool may find the breadth more than they need.

Freemium. The site says no credit card is required to start and that 97% of users pay $0. Pricing is usage-based, but specific plan prices are not stated in the provided text.