Dead-Simple A/B Testing
&
Effortless Feature Flags

A/BBY makes it easy to do feature testing to optimzie your website. Forget about complex setups and complicated integrations. Find a secure and reliable way to use feature toggles in different environments for the best ab test experience. Built by developers for developersBuilt by Developers for Developers.

Free forever. No Credit Card required

Why choose A/BBY?

Find out why A/BBY is the easiest and nicest solution out there.

Privacy First

Avoid big companies that track you and sell your data

A/BBY is all about privacy and transparency. We prove it by being open source.

Developer Friendly

Enjoy a developer-friendly API and a great developer experience

A/BBY was created by developers that experienced the pain of existing solutions.

Simple Analytics

Analytics that everyone can understand

A/BBY focuses on simple analytics and easy-to-read reports so that you don't have to be a data scientist to understand what's going on.

Test your components in minutes

Fast Implementation

Start testing your components in under 5 minutes. Simply integrate it in your code and you're ready to go.

The safe and reliable A/B testing tool

Downtime Secure

A/BBY ensures a stable testing environment. Optimise your website feature testing throught split testing and feature flags without worrying about downtime.

Environments

Test safely

Utilize different environments for each A/B test or feature flag. Create various environments to test features before they go live.

Painless Debugging with A/BBY Devtools

Debugging your tests & Feature Flags has never been easier. Simply install the optional Devtools and get started.
Simple. Framework Agnostic.

Can't wait to try it out?

Skip the Docs and get right into the code. Simply define your tests and enjoy the magic.
Fully typed. Easy to use.

Next.js
React
Svelte
Angular
import { createAbby } from "@tryabby/next";

export const { useAbby, AbbyProvider, useFeatureFlag, withAbby } = createAbby({
  projectId: "<PROJECT_ID>",
  currentEnvironment: process.env.NODE_ENV,
  tests: {
    footer: {
      variants: ["oldFooter", "newFooter"],
    },
    ctaButton: {
      variants: ["dark", "light", "cyberpunk"],
    },
  },
  flags: {
    showPrices: "Boolean",
    userLimit: "Number",
    appMode: "String",
  },
});

When you hear feature flags, do you think of flag lore?

If you're not yet familiar with website optimization and feature testing you can learn more about the terms and background of A/B tests (also known as Split tests) here.

Simple pricing, for everyone

Start testing your components in under 5 minutes. Simply integrate it in your code and you' ready to go.

Free

Hobby

Good for IndieHackers that want to get started with A/B Testing & Feature Flags. No Credit card required

Choose Hobby
  • 1,000 Events / month
  • 1 A/B Test
  • 3 Feature Flags
  • 5 Environments

12€ /mo*

Startup

Optimal for startups & small businesses that want to dive deeper with A/B Testing & Feature Flags

Choose Startup
  • 10,000 Events / month
  • 10 A/B Tests
  • 30 Feature Flags
  • 5 Environments

89€ /mo*

Pro

Perfect for growing companies that want to scale their A/B Testing & Feature Flags and get more insights

Choose Pro
  • 100,000 Events / month
  • 10 A/B Tests
  • 50 Feature Flags
  • 10 Environments

Talk to us!

Enterprise

For even the biggest enterprise companies.

Contact us
  • Unlimited Events / month
  • Unlimited Tests
  • Unlimited Feature Flags
  • Unlimited Environments

*Those prices are per Project

Still open questions?

Do not hesitate to reach out to us. We are happy to help you out.