Pirsch Analytics vs PostHog

Pirsch Analytics (Pirsch is a simple, privacy-friendly, open-source alternative to Google Analytics - lightweight, cookie-free and easily integrated into any website. By @emvi.) and PostHog (The single platform to analyze, test, observe, and deploy new features) both appear on the Smoower Developer Ecosystem Index.

PostHog (rank #30) holds a meaningful lead over Pirsch Analytics (rank #625) on the overall Smoower ecosystem score (63 vs 33). The gap of 30 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), PostHog is clearly ahead of Pirsch Analytics. On education (docs, guides and learning material for developers), Pirsch Analytics is ahead of PostHog. On community (issue response, PR reviews and discussion health), PostHog is ahead of Pirsch Analytics. On reach (how visible the ecosystem is beyond its own repos), PostHog is slightly ahead of Pirsch Analytics. On momentum (release cadence and how fast the ecosystem moves), PostHog is clearly ahead of Pirsch Analytics.

Pirsch Analytics carries 1,203 GitHub stars across 24 public repos, with 5 repositories active in the last 90 days and 1 external contributors on record. PostHog shows 40,775 stars across 357 public repos, 87 active in the last 90 days and 212 external contributors. The star gap on its own does not decide the comparison, but PostHog's footprint is roughly 33.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Pirsch Analytics is the stronger read for anyone weighting education. PostHog looks better where momentum is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.