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About

GrowthBook is an open source feature-flagging and experimentation platform built to help teams release code confidently and measure the impact of product changes using their own data. It enables the creation and management of feature flags of various types (Boolean, number, string, JSON) with targeting rules, percentage roll-outs, safe ramp-ups, and experiment assignment. The platform is warehouse-native, allowing you to connect your data where it already lives (SQL data warehouses, Mixpanel, Google Analytics, and more) and run experiments and analyses without sending raw user-level PII to a third-party service. It supports modular usage; you can adopt just feature flagging, just experiment analysis, or both together. Key capabilities include: high-performance lightweight SDKs (enabling billions of feature lookups per day), a visual editor for no-code AB tests, and experiment reporting with advanced statistical methods.

About

SignaKit is a feature flags, A/B testing, and experimentation platform for engineering teams that need full control over software releases without per-seat pricing or vendor lock-in. Flags are evaluated locally inside the application process using a cached configuration served from AWS CloudFront, producing sub-millisecond evaluation with no network roundtrip on the hot path — bucketing is deterministic via MurmurHash3, so the same user always receives the same variant across sessions and devices. Teams can create boolean and multivariate flags with percentage rollouts, audience targeting by any user attribute, and instant kill switches for emergency rollbacks. Built-in A/B testing tracks statistical significance with configurable experiment snapshot intervals, and multi-armed bandit optimization automatically shifts traffic toward the winning variant as results accumulate — included on every plan, including Free.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Engineering teams needing a solution to launch new features, run AB tests, and measure impact using their own analytics infrastructure

Audience

Software engineers and engineering teams building web applications who need feature flags, A/B testing, and experimentation tooling without per-seat pricing.

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$20 per month
Free Version Supported
Free Trial Not Supported

Pricing

$39 per month
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

GrowthBook
Founded: 2020
United States
www.growthbook.io

Company Information

SignaKit
Founded: 2026
United States
signakit.com

Alternatives

Alternatives

Featureflip

Featureflip

Canopy Labs LLC
Flags SDK

Flags SDK

Vercel

Categories

Feature Management Supported

Categories

Feature Management Supported

Integrations

AccessOwl Supported
Amazon Redshift Supported
C# Supported
Flutter Supported
Go Supported
JSON Supported
Java Supported
JavaScript Supported
MariaDB Supported
Microsoft Teams Supported
Mixpanel Supported
Node.js Supported
React Supported
Ruby Supported
SQL Supported
SQL Server Supported
Segment Supported
Swift Supported
Webflow Supported
WordPress Supported

Integrations

AccessOwl Not Supported
Amazon Redshift Not Supported
C# Not Supported
Flutter Not Supported
Go Not Supported
JSON Not Supported
Java Not Supported
JavaScript Not Supported
MariaDB Not Supported
Microsoft Teams Not Supported
Mixpanel Not Supported
Node.js Not Supported
React Not Supported
Ruby Not Supported
SQL Not Supported
SQL Server Not Supported
Segment Not Supported
Swift Not Supported
Webflow Not Supported
WordPress Not Supported
Claim GrowthBook and update features and information
Claim GrowthBook and update features and information
Claim SignaKit and update features and information
Claim SignaKit and update features and information