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Average Ratings 0 Ratings
Description
ABTestly is a robust A/B testing solution designed for teams that prefer to implement experiments through code rather than a graphical interface.
Each variation is crafted using authentic JavaScript and CSS, ensuring that experiments are integrated directly into your code repository and undergo the same rigorous review process as other code modifications. The platform maintains a lightweight runtime of approximately 31 KB when gzipped, and it prevents visitors from experiencing a flash of the control version by holding the page until the variation is fully applied.
Instead of relying on a single inferred number, ABTestly meticulously tracks assignment, exposure, and conversion as three distinct events on a precise ledger, enhancing the auditability of results. It provides clear confidence intervals along with the sample size, avoids premature declarations of winning variations, and identifies any sample ratio mismatches, alerting users to potential issues.
The platform features three statistical engines: frequentist analysis is available for all plans, while sequential and Bayesian methods are reserved for Pro plans and above. Additionally, it includes a speed guardrail that compares the 75th percentile Largest Contentful Paint (LCP) against the control group, ensuring optimal performance metrics.
Transparent pricing is available, with plans starting at $99 per month for up to 50,000 tracked users, $249 for 200,000 users, and $549 for up to 500,000 users, all of which come with a 14-day trial for monthly subscriptions to allow teams to evaluate the service effectively.
Description
GrowthBook is an open-source, warehouse-native platform for feature flags, experimentation, and product analytics. Self-host or use GrowthBook Cloud.
Feature flags: Boolean, string, number, and JSON values with targeting rules, percentage rollouts, instant kill switches, and stale flag detection.
Experimentation: A/B and multivariate tests across server-side, client-side, mobile, and edge, with Bayesian and frequentist engines.
Warehouse-native: Connect Snowflake, BigQuery, Redshift, Databricks, ClickHouse, Postgres, and more. Metrics are transparent SQL, and end-user PII stays in your warehouse.
AI-ready: An MCP server and agent skills let you manage flags and experiments from your editor.
24+ SDKs: JavaScript, React, Node.js, Python, Ruby, Go, PHP, Java, Swift, Kotlin, and more, plus a REST API, webhooks, and dbt sync.
Pricing is per seat. Start free with unlimited events, experiments, and traffic. Paid plans add advanced statistics, safe rollouts, SSO, and approval workflows.
API Access
Has API
No
API Access
Has API
Yes
Screenshots View All
No images available
Integrations
Arize Phoenix
No
Claude Code
No
Cloudflare Workers
No
Cursor
No
Discord
No
Elixir
No
Flutter
No
Fullstory
No
Heap
No
JSON
No
Integrations
Arize Phoenix
Yes
Claude Code
Yes
Cloudflare Workers
Yes
Cursor
Yes
Discord
Yes
Elixir
Yes
Flutter
Yes
Fullstory
Yes
Heap
Yes
JSON
Yes
Pricing Details
$99/month
Free Trial
Yes
Free Version
No
Pricing Details
Free feature flags & testing
$40/month/user for small to mid-sized teams with advanced statistics and analytics.
Custom pricing for enterprise to run experimentation and release features at scale.
Custom pricing for enterprise to run experimentation and release features at scale.
Free Trial
No
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
Yes
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
Yes
In Person
No
Vendor Details
Company Name
ABTestly
Founded
2025
Website
abtestly.com
Vendor Details
Company Name
GrowthBook
Founded
2020
Country
United States
Website
www.growthbook.io
Product Features
AB Testing
Audience Targeting
No
Campaign Segmentation
No
Funnel Analysis
No
Heatmaps
No
Landing Pages / Web Forms
No
Multivariate Testing
No
Split Testing
No
Statistical Relevance Analysis
No
Surveys
No
Test Scheduling
No
Visual Editor
No
Product Features
AB Testing
Audience Targeting
Yes
Campaign Segmentation
No
Funnel Analysis
Yes
Heatmaps
No
Landing Pages / Web Forms
No
Multivariate Testing
Yes
Split Testing
Yes
Statistical Relevance Analysis
Yes
Surveys
No
Test Scheduling
Yes
Visual Editor
Yes
Feature Management
A/B Testing
Yes
Entitlement Management
Yes
Feature Alerts
Yes
Feature Flag / Toggle
Yes
Feature Rollout Management
Yes
KPI Monitoring
Yes
Kill Switch
Yes
Multivariate Testing
Yes
Product Experimentation
Yes
Whitelist Creation
Yes
Product Analytics
Attribution
Yes
Automatic Data Capture
Yes
Churn Reporting
No
Customer Feedback Collection
No
Customer Guidance
No
Customer Journey Analytics
Yes
Data Export
Yes
Data History Retention
Yes
Data Labeling
No
Product Engagement Scoring
No
Real-Time Data Analysis
No
Touchpoint Analytics
No
User Segmentation
Yes