Statsig Has a Free Feature Flagging and Experimentation Platform — A/B Test Everything

Ship a feature. Did it help or hurt? Most teams have no idea. Statsig gives you feature flags with built-in statistical analysis — so every release becomes a measured experiment.

Free Tier

• Up to 1M events/month
• Unlimited feature gates
• Unlimited experiments
• Unlimited team members
• Statistical significance calculations
• All SDKs included

Quick Start: Node.js

const statsig = require('statsig-node');

await statsig.initialize('server-secret-key');

const user = { userID: 'user-123', email: '[e-mail]', custom: { plan: 'premium' } };

// Feature gate (flag)
if (statsig.checkGate(user, 'new_checkout')) {
  renderNewCheckout();
}

// Dynamic config (remote config)
const config = statsig.getConfig(user, 'homepage_config');
const heroText = config.get('hero_title', 'Welcome');
const showBanner = config.get('show_promo_banner', false);

// Experiment (A/B test)
const experiment = statsig.getExperiment(user, 'onboarding_flow');
const variant = experiment.get('flow_type', 'control');
// variant could be 'control', 'simplified', or 'gamified'

// Log event for experiment analysis
statsig.logEvent(user, 'purchase', 79.99, { items: 3 });

React SDK

import { StatsigProvider, useGate, useExperiment } from 'statsig-react';

function App() {
  return (
    <StatsigProvider sdkKey="client-key" user={{ userID: userId }}>
      <Homepage />
    </StatsigProvider>
  );
}

function Homepage() {
  const { value: showNewUI } = useGate('new_homepage');
  const { config: experiment } = useExperiment('cta_experiment');
  const ctaColor = experiment.get('button_color', 'blue');
  const ctaText = experiment.get('button_text', 'Get Started');

  return showNewUI ? <NewHomepage ctaColor={ctaColor} ctaText={ctaText} /> : <OldHomepage />;
}

Why Statsig's Free Tier is Special

• 1M events/month free — that's more than most startups need
• Unlimited everything else — no limits on gates, experiments, or users
• Automatic significance — Statsig calculates if results are statistically significant
• Pulse — see the impact of every feature on every metric, automatically

The Bottom Line

Statsig democratizes experimentation. You don't need a data science team to run proper A/B tests — Statsig handles the stats. And with 1M free events, you can experiment aggressively.

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