Build vs PostHog
Open source product analytics. Self-host or cloud.
Strengths
- Open source
- Self-hostable
- Analytics + replay + flags
- Good free tier
- Privacy-friendly
Weaknesses
- Self-hosting needs DevOps
- Less polished than Mixpanel
- Smaller ecosystem
- Fewer integrations
Build / Vibe when...
- You need completely custom analytics
- PostHog doesn't fit your data model
- You have very specific privacy needs
Buy PostHog when...
- You want analytics + replay + flags together
- Self-hosting appeals to you
- Privacy/data control matters
- Budget is a concern
Our Verdict
PostHog is our top recommendation for most teams. Self-host for control, or use cloud for convenience. Only build custom if you have very specific needs PostHog can't meet.