Analytics & Monitoring

Track visitors, monitor errors, and understand how people use your product. Compare 5 tools with verified pricing.

PostHog

posthog.com

Open-source all-in-one product analytics platform with session replay, feature flags, A/B testing, and more.

Best for: Product-focused teams who want deep user behavior insights without stitching together multiple tools Free tier (1M events/month, 5K session recordings); paid usage-based
Key Features
  • Product analytics, session replay, feature flags, A/B testing, and surveys in one platform
  • Autocapture reduces setup time — no manual event instrumentation required
  • Open source — can be self-hosted
Limitations
  • More complex than needed for simple website traffic metrics
  • Self-hosting requires significant infrastructure and maintenance effort
  • Interface can feel heavy for small teams who only need basic metrics
Pricing verified March 2026

Plausible

plausible.io

Lightweight, privacy-first website analytics — no cookies, GDPR-compliant by default, simple dashboard.

Best for: Projects that need clean website traffic metrics without cookie consent banners or privacy complexity No free tier (30-day trial); Starter from $9/month
Key Features
  • Cookie-free tracking — GDPR, CCPA, and PECR compliant by default
  • Extremely fast, lightweight script (under 1KB) — minimal performance impact
  • Clean, simple dashboard that shows what matters without GA4's complexity
Limitations
  • No free tier — cost starts immediately after trial
  • Web analytics only — no product analytics, session replay, or A/B testing
  • Advanced product analytics features (funnels) are locked to higher-priced plans
Pricing verified March 2026

Google Analytics 4

analytics.google.com

Google's free web analytics platform — industry standard, required for AdSense integration.

Best for: Any site monetizing with Google AdSense (required), or teams already in the Google ecosystem Free. GA 360 (enterprise) has paid pricing
Key Features
  • Free with no traffic limits
  • Required for Google AdSense integration
  • Deep integration with Google Ads, Search Console, and the broader Google Marketing Platform
Limitations
  • Privacy concerns — data is processed on Google's servers
  • Cookie banners required in many jurisdictions — affects data completeness
  • GA4's interface is significantly more complex than its predecessor (Universal Analytics)
Pricing verified March 2026

Umami

umami.is

Simple, open-source website analytics — the self-hostable alternative to Plausible.

Best for: Developers who want privacy-first analytics and are comfortable self-hosting to reduce costs Free (self-hosted); Umami Cloud paid plans available
Key Features
  • Cookie-free, GDPR-compliant by default
  • Self-hostable — full control over data and zero ongoing cost
  • Clean dashboard similar to Plausible
Limitations
  • Self-hosting requires infrastructure setup and ongoing maintenance
  • Less feature-rich than PostHog for product analytics
  • Smaller ecosystem than Google Analytics or Plausible
Pricing verified March 2026

Sentry

sentry.io

Error tracking and performance monitoring platform that captures and reports runtime exceptions in production.

Best for: Any production app — knowing when and why things break in the hands of real users Free tier (5,000 errors/month); Team from $26/month
Key Features
  • Automatic error capture with stack traces, user context, and breadcrumbs
  • Performance monitoring and transaction tracing
  • Supports virtually all major languages and frameworks
Limitations
  • Not a testing tool — it catches errors after deployment, not before
  • Free tier limits fill quickly for active production applications
  • Can generate alert fatigue if not properly configured
Pricing verified March 2026

Also listed in Testing.

Know a tool we missed?

The vibe coding landscape moves fast. If you use a tool that should be on this list, tell us about it.

Suggest a Tool