Kitbase
Feature Flags

Ship Code When Ready, Release When Confident

Decouple deployment from release with powerful feature flags. Control who sees what, run experiments, and ship faster with confidence.

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100% compatible with OpenFeature
Interactive Demo

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Simple to integrate, powerful to use

Add feature flags to your app in minutes with our intuitive SDKs. Evaluate flags with user context for precise targeting.

  • Type-safe SDKs for TypeScript, React & Flutter
  • Synchronous evaluation with local caching
  • Automatic flag updates
  • Context-aware targeting rules
feature-check.ts
import { FlagsClient } from '@kitbase/sdk/flags' ;
const flags = new FlagsClient ({
token: 'pk_live_xxx',
});
// Simple boolean check
const enabled = await flags. getBooleanValue (
'new_checkout' , false
);
// With user targeting
const variant = await flags. getStringValue (
'pricing_experiment' ,
'control' ,
{ targetingKey: user.id }
);

Everything you need for feature management

Powerful features to help you ship confidently and iterate faster

Gradual Rollouts

Release features to a percentage of users and gradually increase exposure as you gain confidence.

User Targeting

Target specific users, segments, or cohorts with precision using flexible targeting rules.

Kill Switches

Instantly disable problematic features without deploying new code or going through app store review.

A/B Testing

Run experiments by serving different variants to different user groups and measure impact.

Multiple Value Types

Support for boolean, string, number, and JSON values for maximum flexibility.

Real-time Updates

Flag changes take effect immediately without requiring app updates or restarts.

Use cases

Feature flags unlock new ways to ship and manage your software

Beta Testing

Roll out new features to internal teams or beta testers before releasing to all users.

Canary Releases

Deploy to a small percentage of users first to catch issues before they affect everyone.

Feature Gating

Control access to premium features based on subscription tier or user attributes.

Emergency Controls

Quickly disable features causing issues in production without emergency deployments.

Start shipping with feature flags

Release features safely and iterate faster. Set up in under 5 minutes.

Get Started Free Read the Docs

No credit card required