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About

ABTestly is an A/B testing platform for teams that ship experiments in code rather than through a visual editor. You write each variation as real JavaScript and CSS. Experiments live in your repository and go through the same review as any other change. The runtime is about 31 KB gzipped, and the page is held until the variation is applied, so visitors do not see the control flash first. Assignment, exposure and conversion are recorded as three separate events on an exact ledger rather than one inferred number, so results stay auditable. Confidence intervals are shown with the sample size, no winner is declared before significance, and sample ratio mismatch is detected and flagged. Three statistics engines: frequentist on every plan, sequential and Bayesian from Pro upwards. Also a speed guardrail comparing p75 LCP against control. Pricing is published: $99 a month at 50,000 tracked users, $249 at 200,000, $549 at 500,000, with a 14-day trial on monthly plans.

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.

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

Software engineering and CRO teams at ecommerce and SaaS companies who write their own test variations in code, and agencies running experiments for client sites.

Audience

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

Support

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

Support

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

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$99/month
Free Version Not Supported
Free Trial Supported

Pricing

$20 per month
Free Version Supported
Free Trial Not 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 Not Supported
In Person Not Supported

Training

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

Company Information

ABTestly
Founded: 2025
abtestly.com

Company Information

GrowthBook
Founded: 2020
United States
www.growthbook.io

Alternatives

Alternatives

SplitWit

SplitWit

AntPace
Statsig

Statsig

OpenAI
VWO Testing

VWO Testing

Wingify
Split

Split

Harness

Categories

AB Testing Supported

Categories

AB Testing Supported
Feature Management Supported
Product Analytics Supported

Integrations

AccessOwl Not Supported
Amazon Athena Not Supported
Amplitude Not Supported
Firebase Not Supported
Go Not Supported
Google Analytics Not Supported
Grok Bot Not Supported
Java Not Supported
MariaDB Not Supported
Microsoft Teams Not Supported
Mixpanel Not Supported
Node.js Not Supported
Presto Not Supported
React Not Supported
Segment Not Supported
Shopify Not Supported
Snowflake Not Supported
Snowplow Analytics Not Supported
Trino Not Supported
WordPress Not Supported

Integrations

AccessOwl Supported
Amazon Athena Supported
Amplitude Supported
Firebase Supported
Go Supported
Google Analytics Supported
Grok Bot Supported
Java Supported
MariaDB Supported
Microsoft Teams Supported
Mixpanel Supported
Node.js Supported
Presto Supported
React Supported
Segment Supported
Shopify Supported
Snowflake Supported
Snowplow Analytics Supported
Trino Supported
WordPress Supported
Claim ABTestly and update features and information
Claim ABTestly and update features and information
Claim GrowthBook and update features and information
Claim GrowthBook and update features and information