Ship features with confidence
Feature flags, A/B testing, and instant rollouts for modern engineering teams. Deploy with zero risk and iterate at the speed of thought.
No credit card required · Free tier available · Setup in 5 minutes
Feature Flags
new-checkout-flow
production
100%
rollout
dark-mode-v2
production
45%
rollout
ai-recommendations
staging
0%
rollout
beta-dashboard
production
15%
rollout
Features
Everything you need to ship fearlessly
Powerful feature flag management with the developer experience you deserve.
Instant Updates
Change flags without redeploying your app. Updates propagate immediately.
Client-Safe Flags
Control which flags are exposed to client apps. Keep sensitive flags server-side.
Simple SDK
One provider. One hook. No ceremony. Works with React, React Native, and Expo.
Powerful CLI
Manage flags from your terminal. Create, toggle, and list flags without leaving your workflow.
Usage-Based Pricing
Pay for requests, not users. No per-seat nonsense. Scale without surprises.
Kill Switch
Disable features instantly if something goes wrong. Sleep better at night.
Developer Experience
Integration in minutes, not days
Our SDKs are designed to feel native to your stack. Type-safe, tree-shakeable, and built for modern frameworks.
- TypeScript-first with full type inference
- Server & client components support
- Automatic flag updates with WebSocket streaming
- Offline mode with local evaluation
1import { Superflag } from '@superflag/sdk';23const sf = new Superflag('sf_live_xxx');45// Check if feature is enabled6if (sf.isEnabled('new-checkout')) {7 return ;8}910// With user targeting11const showBeta = sf.isEnabled('beta-features', {12 userId: user.id,13 email: user.email,14 plan: user.plan15});161750M+
Flag evaluations/day
99.99%
Uptime SLA
<1ms
P99 latency
10k+
Engineering teams
Pricing
Simple and predictable.
Free
Everything you need to get started.
- 1 app
- Standard environments (dev, staging, prod)
- 25,000 requests / month
- Unlimited flags
- Client keys + SDK keys
- Single account owner
Pro
For when you need more.
- Unlimited apps
- Standard environments (dev, staging, prod)
- Unlimited requests
- Unlimited flags
- Client keys + SDK keys
- Priority support
- Single account owner
A request is when your app checks Superflag for updated flags.
Ready to ship faster?
Get started in minutes with our free tier. No credit card required.