Outtest alternatives

AB Tasty is a Paris-born experimentation and personalization platform for websites and apps, now part of Wingify after its 2026 merger with VWO.

Best for: Retail and consumer brands with an optimization team, especially on Shopify, that want visual A/B tests, personalization and feature flags on an enterprise contract.

Amplitude Experiment is Amplitude's A/B testing product, split into Feature Experimentation for code-based tests and Web Experimentation with a visual editor, both built on Amplitude analytics.

Best for: Product and growth teams already on Amplitude analytics who want experiments that use the same events, cohorts and metrics.

PostHog Experiments is the A/B testing product inside PostHog, an open-source product platform that also covers analytics, session replay, feature flags and a data warehouse.

Best for: Product engineers and startups already sending events to PostHog who want experiments on the same data, often inside the free tier.

Coframe is an AI platform that writes new versions of your website's copy, layout and images, tests them, and keeps shifting traffic toward the versions that convert best.

Best for: Mid-size and enterprise marketing teams with steady traffic that want a managed, AI-led program of website tests and personalization, and are happy to buy through a demo.

Convert Experiences is a privacy-focused A/B testing platform with published prices, a visual editor, frequentist and Bayesian stats, and full-stack testing on its Pro plan.

Best for: Agencies and in-house CRO teams that want an established testing tool with public pricing, strong privacy defaults and full control over stats and targeting.

Crazy Egg is a website behavior analytics tool with heatmaps, session recordings and surveys, plus built-in A/B testing on its Plus plan and above.

Best for: Small teams and agencies that want heatmaps, recordings and simple A/B tests in one subscription, installed with one snippet.

Eppo is a warehouse-native experimentation and feature flag platform that Datadog bought in 2025 and now sells as Datadog Experiments.

Best for: Data teams at larger companies that want experiment results computed on source-of-truth metrics in their own warehouse, especially teams already on Datadog.

GrowthBook is an open-source, warehouse-native platform for feature flags, A/B tests and product analytics that you can use in the cloud or host yourself.

Best for: Data and engineering teams that want experiment results computed from their own data warehouse, or want to self-host for free.

LaunchDarkly is a feature management platform for engineering teams, with experimentation, observability and AI config tools built on its feature flags.

Best for: Engineering organizations that release through feature flags and want experiments on the same flags, from a free plan up to enterprise governance.

Statsig is a feature flag and experimentation platform with built-in product analytics and session replay, owned by Amplitude since May 2026.

Best for: Engineering-led product teams that want feature flags, experiments and analytics in one tool, with a warehouse-native option on Enterprise.

Intelligems is a Shopify app for testing and personalizing prices, shipping, content, offers and checkout, with results scored on profit per visitor.

Best for: Shopify brands that want to test real prices, shipping thresholds and offers, and judge the results on profit rather than conversion rate.

Shoplift is a Shopify app for A/B testing themes, templates, URLs and, on higher plans, prices, with results reported on revenue per visitor from Shopify orders.

Best for: Shopify brands on a standard theme that want no-code tests of templates and themes, built in the Shopify Theme Editor they already use.

Kameleoon is an experimentation platform for web, feature and mobile app tests, built around Prompt-Based Experimentation (PBX), where you describe a change and AI builds the variant.

Best for: Marketing teams that want AI to build web experiments, and larger companies that also need feature flags, mobile app tests, personalization and strict compliance.

Optimizely is an enterprise experimentation platform with a visual editor for website tests, SDKs for server-side and feature tests, and Opal AI agents that help plan and build experiments.

Best for: Large product and marketing teams with developers, an experimentation owner and enough traffic to justify a custom enterprise contract.

RevenueCat is a subscription and in-app purchase backend for iOS, Android and web apps, and its Experiments feature A/B tests prices, trials and paywalls and reports the results on revenue and lifetime value.

Best for: Subscription apps that want purchases, entitlements, paywalls and price tests in one place, especially teams already using RevenueCat for billing.

Superwall lets subscription apps design, target and A/B test paywalls on iOS, Android and web without shipping an app update, with a free subscription backend underneath.

Best for: Subscription app teams that want to test paywall designs, prices and offers inside the app, and pay only once paywalls earn real money.

Unbounce is a drag-and-drop landing page builder with built-in A/B testing and an AI feature, Smart Traffic, that routes each visitor to the variant most likely to convert them.

Best for: Marketers and agencies running paid campaigns who want to build, host and A/B test landing pages without a developer.

VWO is a website A/B testing and conversion optimization suite from Wingify, now sold under the Wingify name after its 2026 merger with AB Tasty.

Best for: Marketing and product teams with someone who owns testing, who want visual A/B tests, behavior analytics and personalization from one vendor on a sales-led contract.

Webflow Optimize is Webflow's paid add-on for A/B testing, rules-based personalization and AI-driven variant delivery, built into the Webflow editor.

Best for: Marketing teams whose site runs on Webflow and who want to test and personalize pages in the same tool they design in.