Best A/B Testing Tools 2026

Compose suits small and mid-sized businesses, agencies, and internal conversion-rate teams running web experiments.

DashX Experimentation compares web or mobile variants, applies guardrails and rolls winners out as flags.

Datadog Experiments measures behavioral and business metrics with segmentation, variance reduction, and sequential testing.

Mtrix is a web experimentation service with session recordings and free and paid plans.

VWO Testing supports web experiments by format, page scope, domain, and device, including AI-assisted tests.

Nelio A/B Testing is a WordPress plugin for page, content, WooCommerce, theme, CSS, and JavaScript tests.

Apertio is an open-source Next.js SDK that runs server-rendered A/B tests without injecting page JavaScript.

Conductrics combines visual and API-driven A/B, multivariate, backend, and adaptive optimization experiments.

Monetate runs AI guidance, personalization, recommendations, and digital experience experiments on web, iOS, and Android.

Evolv AI uses machine learning to personalize and optimize digital experiences, generating copy, images, and code.

Launch Control manages feature flags, targeted releases, staged exposure, approvals, audits, and rollbacks.

Dynamic Yield runs personalization, recommendations, targeting, and experiments across web, apps, email, and SMS.

Optimizely Experimentation runs A/B, feature, server-side, multivariate and bandit tests for websites, iOS and Android apps.

Firebase A/B Testing evaluates Remote Config and messaging changes across Android, iOS, and web.