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Free GA4 alternatives
Every pick starts with a genuine free tier, which makes it the easiest way to test a full workflow for zero dollars. Start free and upgrade only when it earns it.
What is the best free alternative to GA4?
PostHog is the free GA4 alternative we recommend first. PostHog edges out GA4 in our testing, scoring 4.5 to 4.0 overall. It scores 4.5 in our testing, and at $0/mo it keeps the monthly bill reasonable. See the full ranked list below to compare every pick.
4 free alternatives worth your time
PostHog
4.5 out of 54.5All-in-one product analytics, session replay, and feature flags.
PostHog edges out GA4 in our testing, scoring 4.5 to 4.0 overall.
Why this swap
Best for: Engineers, technical founders, and product teams building web applications who want product analytics, session replays, feature flags, and heatmaps.
Watch out: PostHog is built for application user behavior; it is not designed for traditional marketing campaign UTM attribution.
Verdict: Pick PostHog if you are analyzing in-app user retention and feature usage rather than surface-level website pageviews.
- Product analytics, session replay, and feature flags in one product analytics suite
- Engineering-friendly setup with a solid free tier for most startups
Metabase
4.5 out of 54.5Open-source business intelligence and embedded analytics without the steep learning curve.
Metabase edges out GA4 in our testing, scoring 4.5 to 4.0 overall.
Why this swap
Best for: Data analysts, BI teams, and startups that want to query production SQL databases directly and build custom visual company dashboards.
Watch out: Requires an existing SQL database or data warehouse (PostgreSQL, BigQuery, Snowflake) and basic SQL knowledge to set up.
Verdict: Choose Metabase if you want complete ownership of your raw company data and custom SQL query reporting instead of relying on Google's aggregated metrics.
- 100% free open-source self-hosted version with zero user seat restrictions.
- Non-technical team members can build complex charts using the visual GUI query builder.
Mixpanel
4.3 out of 54.3Event-based product analytics for growth teams.
Mixpanel edges out GA4 in our testing, scoring 4.3 to 4.0 overall.
Why this swap
Best for: Product managers and growth marketers who need granular user funnel drop-off analysis, cohort tracking, and behavioral retention metrics.
Watch out: Requires custom event tracking implementation and becomes expensive once monthly tracked user (MTU) volumes grow.
Verdict: Switch to Mixpanel when your core objective is understanding product feature retention and user conversion journeys rather than top-of-funnel web visits.
- Well established product with an active user base
- Regular updates and clear roadmap
Amplitude
4.3 out of 54.3Deep product analytics for understanding users.
Amplitude edges out GA4 in our testing, scoring 4.3 to 4.0 overall.
Why this swap
Best for: Enterprise product teams and scaling SaaS applications needing advanced predictive analytics, journey mapping, and behavioral cohort segmentation.
Watch out: Steep enterprise pricing jumps after the free Starter tier, with complex administrative setup requirements.
Verdict: Choose Amplitude over Google Analytics if you need deep cohort behavioral analysis and predictive churn modeling for software applications.
- Well established product with an active user base
- Regular updates and clear roadmap
GA4 vs the free alternatives
| Tool | Our score | From | Free tier | Best for |
|---|---|---|---|---|
| GA4 | 4.0 | Free | Yes | Digital marketing agencies, enterprise media teams, growth marketers, and Google Ads buyers who require multi-touch attribution modeling, BigQuery raw event export, and native Google Marketing Platform audience synchronization. |
| PostHog | 4.5 | $0/mo | Yes | Engineering-led startups needing unified product data and feature flags. |
| Metabase | 4.5 | $85/mo | Yes | Startups, SaaS engineering teams, and data analysts wanting quick visual dashboards and JWT embedded customer analytics. |
| Mixpanel | 4.3 | $28/mo | Yes | Event-based product analytics for growth teams. |
| Amplitude | 4.3 | $49/mo | Yes | Deep product analytics for understanding users. |
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