Compare the Top Free AB Testing Software as of January 2026

What is Free AB Testing Software?

A/B testing software allows businesses to compare two or more versions of a webpage, app, or marketing campaign to determine which performs better based on user behavior and key metrics. It enables marketers and product teams to run controlled experiments by splitting traffic between variants and collecting data on conversions, engagement, and other goals. The software often includes tools for test setup, audience segmentation, real-time analytics, and statistical significance calculation. Many platforms integrate with analytics and marketing tools to help optimize user experiences and drive data-driven decisions. By leveraging A/B testing software, organizations can improve conversion rates, reduce bounce rates, and enhance overall customer satisfaction. Compare and read user reviews of the best Free AB Testing software currently available using the table below. This list is updated regularly.

  • 1
    Kochava

    Kochava

    Kochava

    Kochava is a real-time data solutions company offering a comprehensive growth stack of solutions for data-driven advertisers. We empower advertisers to measure what matters with tools that deliver better insights and actionable data in one operational platform. Advertisers can map their growth journey with Kochava, leveraging mobile measurement partner (MMP) services, a next-generation marketing mix modeling (MMM) SaaS platform, and a premium platform for search ads automation and app store optimization (ASO). Kochava's MMM SaaS and search ads automation/ASO platforms work with advertisers using Kochava or any other MMP. With a culture of customer-driven innovation, dedication to data security, and the most powerful tools in the ecosystem, Kochava is trusted by top brands to harness their data for growth. Headquartered in Sandpoint, ID, the company has offices globally.
    Starting Price: FREE
  • 2
    Selzy

    Selzy

    Selzy

    Selzy is an ecosystem of easy-to-use marketing automation tools that helps small and medium businesses grow. From list growth and crafting a perfect email to segmentation, automation, A/B testing, and analytics, Selzy covers it all. - Launch your first campaign in less than 15 minutes: use smooth drag-and-drop email builder, 140+ goal-oriented templates, and AI writing assistant - Anti-spam email checker: have every email rated and get personalized tips to improve deliverability - Grow your list with customizable pop-up forms - Connect your favorite tools: Shopify, WordPress, Woocommerce, Airtable, Salesforce, HubSpot, Pipedrive, and so much more - Get 24/7 help from our support team (real humans with top-notch email marketing experience).
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    Starting Price: $7 per month
  • 3
    Split

    Split

    Harness

    In a world where product development teams are pressured to do more with less, Split’s Feature Data Platform™ gives you the confidence to move fast without breaking things. Set up feature flags and safely deploy to production, controlling who sees which features and when. Connect every flag to contextual data, so you know if your features are making things better or worse, and act without hesitation. Effortlessly conduct feature experiments like A/B tests without slowing down. Split is a feature management platform that takes the extra step with experts to support you, online courses to help you learn as you go, and a developer-oriented culture that puts our customers at the center. Whether you’re looking to increase your releases, to decrease your MTTR, or to ignite your dev team without burning them out–Change the way the work gets done with Split. Switch on a free account today, schedule a demo to learn more, or contact us for further questions.
  • 4
    Trustmary

    Trustmary

    Trustmary

    Trustmary helps you to measure NPS and collect feedback, convert feedback into authentic reviews and testimonials (including video), show social proof on the website and measure how they improve your conversions. Fully automated. The primary value comes from a continuous flow of authentic and effective customer-generated content from the feedback stream and easy ways to show them on the website resulting higher conversion rates. Convert more sales with customer feedback. Trustmary offers you a unique survey system which helps you get insights from your customers, while also refining the feedback to social proof. A lot of companies have a lot of happy customers, but are unable to communicate it in a credible way. Trustmary helps companies find the hidden social proof companies have in their customer base and website users. Use the user-generated content you get with Trustmary to drive traffic more effectively to your website.
    Starting Price: $370 per month
  • 5
    Upflowy

    Upflowy

    Upflowy

    Upflowy is a drag-and-drop tool collecting leads and increases your conversions. You can use it to build and optimize your forms, quizzes, surveys, onboarding flows, and more. Up to 200 responses are free! Build and AB test your lead and signup flow faster than ever with our no-code engines. Create best-in-class signup flow templates, installed and integrated into your website instantly. Conduct ongoing experiments and A/B tests to optimise your flow without the IT burden. Designed to help you scale efficiently and convert more customers. A no-code signup builder offering world-class templates. Actionable insights and instant funnel analytics. Easy-to-setup A/B testing and personalisation capabilities. We are a team of doers, go-getters, and self-starters. Brought together to optimise signup flows all over the world. We strive to build fast, iterate fast and grow fast. We are a net positive company.
    Starting Price: $25 per month
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