What is the best a/b testing software in 2026?

Based on user reviews and our editorial analysis, Optimizely is currently the top-rated a/b testing software with a score of 88/100. Other popular options include Amplitude, Mixpanel, Flagsmith.

Are there free a/b testing tools?

Most a/b testing tools require payment, but many offer free trials. Check individual tool pages for current pricing and trial options.

How do I choose the right a/b testing software?

Consider your specific needs, team size, and budget. Look at user reviews, compare features, and take advantage of free trials when available. Our comparison tools can help you evaluate multiple options side by side.

A/B Testing Software

38 products available

Experimentation and A/B testing platforms

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Showing 38 results

Optimizely

Digital experience optimization platform

paid

Amplitude

Digital analytics platform

freemium

Mixpanel

Product analytics for mobile and web

freemium

Flagsmith

Open-source feature flag and remote config

freemium

VWO

Experimentation and conversion optimization

paid

Dub

Open-source link management

freemium

LaunchDarkly

Feature flags and experimentation at scale

paid

Unbounce

Landing page builder

paid

Hotjar

Heatmaps and session recordings

freemium

GrowthBook

Open-source feature flags and A/B testing

freemium

Split

Feature flags and experimentation platform

paid

Leadpages

Launch high-converting landing pages faster, generate qualified leads, and optimize marketing efforts.

paid

Eppo

Feature flagging and experimentation platform

paid

DevCycle

Feature flags for modern development teams

paid

Convert

A/B testing and conversion optimization platform

paid

Statsig

Feature flags and product experimentation

freemium

Countly

Product analytics with privacy focus

freemium

Reform

Form builder with logic

freemium

Instapage

Landing page platform for advertising teams

paid

Popupsmart

No-code popup builder

freemium

FeatBit

Open-source feature flag infrastructure for the AI era, offering enterprise-grade controls without the high cost.

freemium

Splitbee

This product has been sunsetted and is no longer available.

paid

Userlist

Advanced email automation for product marketers in SaaS, focusing on user and company lifecycle.

paid

Split

Feature delivery platform

freemium

GoFeatureFlag

Ship faster, reduce risk, and build at scale with simple, open-source feature flagging.

freemium

Superwall

The paywall experimentation platform for mobile apps, enabling no-code paywalls, A/B testing, and business analytics.

freemium

Qonversion

Monetize your app with in-app purchases, analytics, and A/B testing across platforms.

freemium

Landingi

Build, optimize, and automate high-converting landing pages with AI assistance for digital marketers.

freemium

Pagewiz

Design, publish, and optimize high-converting landing pages with powerful integration tools.

paid

Replug

Turn every link into a brand experience with smart link marketing, tracking, and optimization.

freemium

Humblytics

Run A/B tests and gain conversion insights without needing developers.

paid

Pirsch

Cookie-free privacy-friendly web analytics

freemium

Justuno

Conversion optimization for e-commerce

freemium

OptinMonster

Lead generation and conversion optimization

paid

Mention Me

Referral engineering platform

paid

UserGuiding

User onboarding and product adoption

paid

Swipe Pages

AMP landing page builder

paid

Dynamic Yield

Create personalized, optimized, and synchronized digital customer experiences across all channels.

paid

Popular A/B Testing Comparisons

OptimizelyvsAmplitude OptimizelyvsMixpanel AmplitudevsMixpanel AmplitudevsFlagsmith MixpanelvsFlagsmith MixpanelvsVWO FlagsmithvsVWO FlagsmithvsDub VWOvsDub VWOvsLaunchDarkly DubvsLaunchDarkly DubvsUnbounce

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What is A/B Testing Software?

A/B Testing software helps businesses and individuals streamline their workflows by providing specialized tools designed for a/b testing-related tasks. These solutions range from simple, free tools to comprehensive enterprise platforms, each offering different capabilities to match various needs and budgets. Whether you're a solo entrepreneur or managing a large team, the right a/b testing tool can significantly improve your productivity and results.

Key Features to Look For

Intuitive user interface that minimizes the learning curve
Integration capabilities with popular tools and platforms
Collaboration features for team-based workflows
Analytics and reporting to track performance
Mobile accessibility for working on the go
Customization options to fit your specific needs
Reliable customer support and documentation

Benefits of A/B Testing Software

Save time by automating repetitive tasks
Improve accuracy and reduce human errors
Enhance team collaboration and communication
Gain insights through data-driven analytics
Scale your operations without proportional cost increases
Stay competitive with modern, efficient workflows

How to Choose the Right A/B Testing Software

When choosing a/b testing software, start by clearly defining your requirements. Consider your team size, budget constraints, and must-have features. Look for tools that offer free trials so you can test the interface and functionality before committing. Pay attention to integration options with your existing tech stack, and don't overlook the importance of good customer support. Reading user reviews on platforms like Toolradar can provide valuable insights from people who've actually used these tools in real-world scenarios.

Frequently Asked Questions About A/B Testing Software

Based on user reviews and our editorial analysis, Optimizely is currently the top-rated a/b testing software. However, the "best" choice depends on your specific needs, budget, and use case. We recommend comparing multiple options using our detailed reviews and comparison tools.

This guide was last updated in February 2026. We regularly review and update our recommendations to ensure accuracy.