Best Free Analytics Tools in 2026 — GA4, Mixpanel & More Compared
TL;DR
Google Analytics 4 is the best free all-around analytics tool with unlimited events for most sites. Mixpanel (1M events free) and Amplitude (50K MTUs free) offer superior product analytics. Hotjar gives you free heatmaps and session recordings. Most businesses should start with GA4 + one specialized tool.
Why Free Analytics Tools Matter in 2026
Analytics is no longer optional — it’s the foundation of data-driven marketing and product decisions. The good news: the free tiers available in 2026 are more powerful than ever. You can build a sophisticated analytics stack without spending a dollar.
Google Analytics 4 (GA4) — Best Free All-Around Analytics
GA4 is the industry standard and it’s completely free for the vast majority of businesses.
What you get for free:
- Unlimited events (within reasonable limits)
- Cross-platform web + app tracking
- AI-powered predictive analytics
- Custom reports and explorations
- BigQuery export (daily)
- Real-time reporting
- Audience building for Google Ads
Free plan limits:
- 14-month data retention
- 50 custom dimensions
- 30 conversion events
- Sampled data in some reports
When to upgrade: GA 360 starts at ~$50,000/year and is only necessary for enterprise-scale sites needing unsampled data, streaming BigQuery export, or SLA support.
Best for: Every website. GA4 should be your baseline analytics, even if you add specialized tools on top.
Mixpanel Free — Best Free Product Analytics
Mixpanel’s free plan includes 1 million monthly events — enough for most startups and small-to-mid-size products.
What you get for free:
- 1M monthly events
- Core analytics reports (funnels, flows, retention)
- Unlimited data history
- 10K session replays/month
- User profiles and properties
- 5 saved reports per user
Free plan limits:
- 5 saved reports per user
- No behavioral cohorts
- No formulas or custom metrics
- Limited session replays (10K/mo)
When to upgrade: The Growth plan starts at $24/mo and charges $0.28 per 1,000 events beyond the included 1M. Worth it when you need unlimited saved reports and behavioral cohorts.
Best for: Product teams at startups and SaaS companies tracking user behavior and conversion funnels.
Amplitude Starter — Most Generous Free Tier
Amplitude’s free Starter plan supports up to 50,000 monthly tracked users (MTUs) — the most generous free tier in the product analytics space.
What you get for free:
- 50K MTUs
- Core product analytics
- Session replay
- Unlimited feature flags
- Unlimited sources and destinations
- Starter templates
Free plan limits:
- No custom dashboards
- No behavioral cohorts
- Community support only
- Limited advanced analytics
When to upgrade: The Plus plan starts at $49/mo for 1K MTUs with unlimited product analytics and custom dashboards. The startup program offers 1 free year of Growth plan for companies with under $10M funding and fewer than 20 employees.
Best for: Early-stage startups that want powerful analytics with room to grow, especially those that qualify for the startup program.
Hotjar Free — Best Free Visual Analytics
Hotjar (now part of Contentsquare) offers heatmaps and session recordings for free — no other tool matches this for visual analytics.
What you get for free:
- Heatmaps
- Session recordings
- Up to 200K sessions/month tracked
- Automatic data capture
- 1 project
Free plan limits:
- 1-month data access
- 1 project only
- Basic filtering only
- No AI-powered insights
When to upgrade: The Growth plan at $39/mo (annual) adds zone-based heatmaps, AI insights, and 13-month data access. Note that Growth plan pricing scales with traffic — up to $739/mo for 200K sessions.
Best for: UX designers, marketers, and anyone who wants to see how users actually interact with their site.
Free Analytics Stack Recommendation
Here’s the stack we recommend for different use cases:
For Marketing Sites & Blogs
- GA4 (traffic, conversions, audience) — Free
- Hotjar (heatmaps, user behavior) — Free
- Total cost: $0/month
For SaaS Products
- GA4 (marketing attribution) — Free
- Mixpanel or Amplitude (product analytics) — Free
- Total cost: $0/month
For E-commerce
- GA4 (traffic, revenue tracking, Google Ads) — Free
- Hotjar (checkout funnel heatmaps) — Free
- Total cost: $0/month
GA4 vs Mixpanel vs Amplitude: Quick Comparison
| Feature | GA4 Free | Mixpanel Free | Amplitude Free |
|---|---|---|---|
| Price | $0 | $0 | $0 |
| Event limit | Generous | 1M/mo | 50K MTUs |
| Best for | Web analytics | Product analytics | Product analytics |
| Funnels | Basic | Advanced | Advanced |
| Session replay | No | 10K/mo | Yes |
| Heatmaps | No | No | No |
| AI insights | Yes | Limited | Yes |
| Google Ads integration | Native | Via export | Via export |
When Free Isn’t Enough
You’ll outgrow free analytics plans when:
- GA4: You need unsampled data or SLA support (rare for most businesses)
- Mixpanel: You exceed 1M events/month or need behavioral cohorts
- Amplitude: You exceed 50K MTUs or need custom dashboards
- Hotjar: You need more than 1 month of data access or multiple projects
For most small-to-mid-size businesses, free plans will cover your needs for years. Start free, upgrade only when you hit real limits.
FAQ
Can I use GA4 and Mixpanel together?
Yes, this is a common setup. Use GA4 for marketing analytics (traffic sources, Google Ads) and Mixpanel for in-product behavior (funnels, retention). They serve different purposes and complement each other well.
Is Microsoft Clarity a good free alternative to Hotjar?
Microsoft Clarity is 100% free with unlimited heatmaps and session recordings. It’s a strong alternative to Hotjar’s free plan, though it lacks Hotjar’s survey and feedback tools.
Which free analytics tool is best for startups?
Amplitude, thanks to its 50K MTU free tier and startup program (1 free year of Growth plan). Combine with GA4 for marketing analytics.