Google Analytics 4 vs Amplitude
Compare Google Analytics 4 and Amplitude side by side. Features, pricing, pros and cons to help you choose the right analytics platform.
🏆 Quick Verdict
Google Analytics is the free default for web traffic analysis. Amplitude is an all-in-one product analytics platform with session replay, feature flags, and A/B testing built in. For product teams, Amplitude's breadth often justifies the cost.
Overall Scores
Google Analytics 4
Amplitude
Feature Comparison
Google Analytics 4 Advantages
- ✓ Google Ads Integration
- ✓ Search Console Integration
- ✓ Auto-collected Events
Both Have
- = Event Tracking
- = Retention Analysis
- = User Journeys
- = Dashboards
- = Free Tier
Amplitude Advantages
- ✓ Session Recording
- ✓ Feature Flags
- ✓ A/B Testing
- ✓ Funnel Analysis
- ✓ Cohort Analysis
Pricing Comparison
Google Analytics 4
Free starting
- free: Available
- enterprise: custom
Amplitude
Free starting
- free: Available
- plus: $61/mo
- growth: custom
- enterprise: custom
Pros & Cons
Pros
- + Completely free for standard use
- + Deep integration with Google Ads and Search Console
- + BigQuery export for advanced analysis
- + Highest adoption rate — easy to find help online
- + Automatic event collection (page views, scrolls, clicks)
Cons
- − Data sampling on complex queries in free tier
- − No session recording or feature flags
- − GA4 transition was controversial — complex interface
- − Privacy concerns with Google data sharing
- − Sends user data to Google servers (GDPR considerations)
Pros
- + All-in-one: analytics + A/B testing + feature flags
- + Session replay with analytics correlation
- + Excellent collaborative dashboards
- + Strong data governance features
- + Integrates with every data warehouse
Cons
- − Free tier limited to 50K monthly active users
- − Can be overwhelming for small teams
- − Expensive at scale compared to pure-play tools
- − Feature flags require higher-tier plan
In-Depth Analysis
The fundamental difference is purpose. Google Analytics was built for web traffic analysis — how many people come to your site, from where, and which pages they view. Amplitude was built for product analytics — how do people use your product, where do they drop off, and what behaviors predict long-term retention. This distinction matters more than any feature list. A marketing team measuring ad campaign performance needs GA4; a product team optimizing user activation needs Amplitude.
Amplitude's all-in-one approach (analytics + session replay + feature flags + A/B testing) reflects the modern product growth stack. Teams that would otherwise use GA4 for traffic, Hotjar for session recording, LaunchDarkly for flags, and Optimizely for experiments can consolidate everything into Amplitude. This reduces integration complexity and enables direct correlation between experiments and long-term user behavior — you can see whether users who saw your A/B test variant had better 90-day retention, not just better next-day conversion.
Google Analytics' deep integration with the Google ecosystem is a genuine advantage for marketing teams. GA4 connects directly to Google Ads for closed-loop attribution, Google Search Console for organic search performance, BigQuery for data warehouse exports, and Looker Studio for executive reporting. If your analytics workflows touch Google Ads or Search Console — and most marketing teams' do — GA4's native integrations are hard to replicate in Amplitude without additional data infrastructure.
For early-stage startups choosing their first analytics tool: GA4's zero cost and automatic event collection make it the default starting point for web traffic monitoring. Amplitude's 50K MAU free tier and much richer product analytics justify the migration once the team is actively running experiments and needs to understand user behavior beyond page views. Many companies run both long-term: GA4 for marketing attribution and reporting, Amplitude for product analytics and experimentation.
Who Should Choose What?
Choose Google Analytics 4 if:
Google Analytics 4: Marketing teams focused on traffic acquisition, Google Ads attribution, and campaign performance
Choose Amplitude if:
Amplitude: Product and growth teams who want analytics, session replay, feature flags, and A/B testing in one platform
Ready to Get Started?
Try both platforms free and see which one feels right.