Google Analytics vs PostHog — Which One Wins?
A detailed, side-by-side comparison of Google Analytics and PostHog to help you pick the right tool for your workflow.
Quick Verdict
PostHog takes the lead with a 4.5 rating and is best for startups wanting product analytics, session replay, and feature flags in one open-source platform.. Google Analytics (4.0) is the better pick if you need every website. it is free and provides more analytics than most teams will ever use..
Side-by-Side Comparison
| Criteria | Google Analytics | PostHog |
|---|---|---|
| Rating | ★★★★ 4.0(489) | ★★★★ 4.5(167) |
| Pricing Model | free | open_source |
| Starter Price | N/A | Pay-as-you-go above free limits |
| Free Tier | Yes | Yes |
| Platforms | web | web |
| Learning Curve | hard | medium |
| API Available | Yes | Yes |
| Best For | Every website. It is free and provides more analytics than most teams will ever use. | Startups wanting product analytics, session replay, and feature flags in one open-source platform. |
| Verdict | recommended | recommended |
Feature Checklist
| Feature | Google Analytics | PostHog |
|---|---|---|
| Event-based tracking | — | |
| Conversion tracking | — | |
| Audience building | — | |
| Explorations (flexible analysis) | — | |
| BigQuery export | — | |
| Google Ads integration | — | |
| Product analytics | — | |
| Session replay | — | |
| Feature flags | — | |
| A/B testing | — | |
| Surveys | — | |
| Self-hostable open source | — |
Google Analytics
Pros
- ✓Free with enterprise-grade analytics capabilities
- ✓Deep integration with Google Ads ecosystem
- ✓BigQuery export enables advanced analysis
Cons
- ✕GA4 interface is complex and unintuitive
- ✕Privacy concerns with Google tracking
- ✕Migration from Universal Analytics frustrated many users
PostHog
Pros
- ✓All-in-one replaces 4-5 separate tools
- ✓Open source with free self-hosting
- ✓Cloud free tiers are genuinely generous
Cons
- ✕Individual analytics less powerful than dedicated Mixpanel/Amplitude
- ✕Session replay less polished than FullStory
- ✕Self-hosting requires infrastructure management
The Bottom Line
Both Google Analytics and PostHog are solid tools in the Analytics & Data space. PostHog edges ahead with a stronger overall rating (4.5 vs 4.0) and is the better choice for startups wanting product analytics, session replay, and feature flags in one open-source platform.. However, if you prioritize every website. it is free and provides more analytics than most teams will ever use., Google Analytics is worth serious consideration. We recommend trying the free tier or trial of each before committing.