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Unleash vs Statsig
Trust Score comparison · March 2026
Signal Comparison
110k/wkWeekly npm downloads85k/wk
250GitHub commits (90d)130
11.5kGitHub stars1.1k
1.5kStack Overflow questions400
ActiveCommunity healthGrowing
UnleashStatsig
Key Differences
| Factor | Unleash | Statsig |
|---|---|---|
| License | Apache-2.0 (core) / Proprietary (Enterprise) | Proprietary |
| Language | TypeScript | TypeScript / Python |
| Hosted | Self-hosted | Self-hosted |
| Free tier | — | — |
| Open Source | ✓ Yes | — |
| TypeScript | — | — |
Pick Unleash if…
- Need full control and self-hosting of feature flag infrastructure
- GDPR compliance requires data to stay on-premise
- Budget-conscious teams who want enterprise feature flag capabilities for free
Pick Statsig if…
- Running A/B experiments and wanting automated statistical significance
- Combining feature flags with product analytics in one tool
- Teams wanting a more affordable LaunchDarkly alternative
Side-by-side Quick Start
Unleash
import { initialize } from 'unleash-client';
const unleash = initialize({
url: process.env.UNLEASH_URL!,
customHeaders: { Authorization: process.env.UNLEASH_API_TOKEN! },
appName: 'my-app',
});
// Wait for flags to sync
unleash.on('synchronized', () => {
const isEnabled = unleash.isEnabled('new-dashboard');
console.log('New dashboard:', isEnabled);
});Statsig
import Statsig from 'statsig-js';
await Statsig.initialize(process.env.STATSIG_CLIENT_KEY!, {
userID: 'user_123',
email: 'user@example.com',
});
// Check a feature flag
const showNewUI = Statsig.checkGate('new_dashboard_ui');
// Get an experiment variant
const experiment = Statsig.getExperiment('checkout_flow');
const buttonColor = experiment.get('button_color', 'blue');
console.log('New UI:', showNewUI, 'Button:', buttonColor);Community Verdict
Based on upvoted notes🏆
Unleash wins this comparison
Trust Score 53 vs 10 · 43-point difference
Unleash leads on Trust Score with stronger signal data across downloads and community health. That said, the other tool is worth considering if your use case matches its specific strengths above.