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Best A/B Testing Tools 2026
A/B testing tools help teams compare variants, measure outcomes, and manage experiments across websites, APIs, mobile apps, self-hosted systems, and browser extensions. This guide helps you compare tools by the capabilities and pricing details listed for them.
The page presents entries without a published ranking basis or assigned positions. Compare free plans, paid starting points, test types, supported platforms, visual editors, server-side testing, mobile SDKs, audience targeting, and feature flags.
GrowthBook
GrowthBook is an open-source, warehouse-native platform for A/B tests, feature flags and product analytics.
AndroidiPhone & iPadWeb+3Omniconvert Explore
Explore is aimed at D2C brands, ecommerce businesses, and omnichannel retailers that run experiments or personalize on-site experiences.
AndroidiPhone & iPadWeb+3Confidence by Spotify
Confidence by Spotify is a warehouse-native platform for A/B tests, feature flags, metrics and controlled rollouts.
AndroidiPhone & iPadWeb+1DevCycle
DevCycle is a developer-first feature flag platform for rolling out and cleaning up flags across web and apps.
AndroidiPhone & iPadWeb+5Zoho PageSense combines no-code conversion testing with analytics, heatmaps, recordings, forms and funnels.
Amplitude is a freemium experimentation and analytics platform for web, iOS, Android and APIs.
Featureflip provides feature flags, percentage rollouts, targeting, kill switches and A/B tests for applications.
It suits product, marketing, and business teams, as well as developers, product managers, and data scientists who need to run and analyze experiments.
Crazy Egg provides website analytics with a free plan, paid plans, and a trial.
Harness turns feature, configuration and AI configuration flags into experiments with metric guardrails.
Mida is a website A/B testing platform with same-URL, split-URL, cross-domain and multipage tests.
Nativeblocks delivers server-driven native mobile screens with frame variants based on user attributes.
Apex combines ecommerce A/B testing, feature flags and personalization inside a DRIP program.
Statsig suits product teams that need experimentation, feature rollout controls, and analytics in one platform.
Webtrends Optimize offers A/B, A/Bn, multivariate, personalization and URL split testing.
Maxymizely combines analytics, predictive modeling, A/B/N and multivariate testing, and automatic traffic allocation.
ABsmartly is an experimentation and feature flag platform supporting group sequential and fixed horizon tests.
Convert Experiences runs A/B, split URL, multivariate, full-stack, and personalization tests for web and apps.
Kameleoon suits marketing, product, and engineering teams that need to run experiments across web, back-end, and mobile experiences.
Segmently provides website A/B testing, personalization, feature flags, gradual rollouts, and visitor targeting.
Growth is described for small teams starting experimentation, Pro for businesses scaling it, and Enterprise for large teams, agencies, and enterprises with advanced…
ABtesting.ai suggests and runs landing-page A/B tests using multi-armed bandits and evolutionary combinations.
Before you choose
Match the platforms you need
Check support for web, API, iOS, Android, self-hosted deployments, and extensions. A tool may fit a website workflow but not a mobile or self-hosted setup.
Use the supported-platform field alongside mobile SDK information when your experiments include apps.
Compare experiment controls
Review the test types and server-side testing support listed for each tool. These fields indicate whether the product matches your experiment workflow.
Audience targeting and feature flags matter when experiments need controlled exposure or rollout management.
Choose an editing workflow
Compare the visual editor field with your implementation needs. A visual editor can suit teams that want to change page experiences without editing application code.
Check mobile support
For app experiments, compare iOS and Android support with the mobile SDK field. Confirm that the platforms and SDK approach match your release process.
Review plans and trials
Separate a free plan from a free trial when comparing costs. DevCycle, GrowthBook, Statsig, Featureflip, Experimently, Omniconvert Explore, Zoho PageSense, Apex, Harness Feature Management & Experimentation, Confidence by Spotify, and Firebase Cloud Messaging list free plans.
Published paid starting points include $40 per user per month for GrowthBook, $49 per month for Featureflip, $150 per month for Statsig, $449 per month for Confidence by Spotify, and $500 per month on an annual plan for DevCycle.
Consider hosting and code access
Open-source and self-hosted options appear in the list. Compare those fields with your deployment requirements before choosing a tool.