SaaS Comparison
Google Analytics 4 (GA4) vs Amplitude
Independent 2026 comparison. When each fits, pricing tradeoffs, and which to pick — from Empire325 Marketing, the agency that implements both.
TL;DR: Run both. GA4 is non-negotiable for marketing measurement; Amplitude (or Mixpanel) is non-negotiable for product analytics. They answer different questions and do not overlap in practice.
Side by side
Google Analytics 4 (GA4)
Google's free event-based web and app analytics.
Best for
Marketing teams needing channel attribution, acquisition reporting, and SEO measurement at no cost.
Amplitude
Product analytics platform for digital products.
Best for
Product and growth teams needing retention curves, funnel analysis, and behavioral cohorts.
When to pick each
Pick Google Analytics 4 (GA4)
GA4 for marketing measurement: SEO, paid channels, conversion tracking, audience building for Google Ads. It's free and deeply integrated with Google's ad ecosystem.
Pick Amplitude
Amplitude for product analytics: feature adoption, user retention, funnel drop-off, cohort segmentation. GA4's product analytics capabilities are materially weaker.
Not sure which fits your stack?
Empire325 has implemented both for enterprise clients. 15 minutes, no sales pitch.
Empire325's take
Run both. GA4 is non-negotiable for marketing measurement; Amplitude (or Mixpanel) is non-negotiable for product analytics. They answer different questions and do not overlap in practice.
See our performance analytics practice →FAQ
What's the main difference between Google Analytics 4 (GA4) and Amplitude?
Google Analytics 4 (GA4) Google's free event-based web and app analytics. Amplitude Product analytics platform for digital products. Run both. GA4 is non-negotiable for marketing measurement; Amplitude (or Mixpanel) is non-negotiable for product analytics. They answer different questions and do not overlap in practice.
When should I pick Google Analytics 4 (GA4)?
GA4 for marketing measurement: SEO, paid channels, conversion tracking, audience building for Google Ads. It's free and deeply integrated with Google's ad ecosystem.
When should I pick Amplitude?
Amplitude for product analytics: feature adoption, user retention, funnel drop-off, cohort segmentation. GA4's product analytics capabilities are materially weaker.
Can Empire325 help me choose between Google Analytics 4 (GA4) and Amplitude?
Yes. Run both. GA4 is non-negotiable for marketing measurement; Amplitude (or Mixpanel) is non-negotiable for product analytics. They answer different questions and do not overlap in practice. If you're evaluating Google Analytics 4 (GA4) vs Amplitude for an actual deployment, schedule a 15-minute call and we'll share specific recommendations based on your context.
What does Empire325 charge to implement Google Analytics 4 (GA4) or Amplitude?
Implementation engagements typically range $15K-$60K depending on scope. We provide written scoping after a 30-minute discovery call. Empire325 has implementation experience across both Google Analytics 4 (GA4) and Amplitude.
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Need help choosing or implementing?
Empire325 Marketing implements both Google Analytics 4 (GA4) and Amplitude for enterprise clients. Schedule a 15-min call to discuss which fits your situation.
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