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Distribution bell curve
4.8 on G2

Go beyond simpleAB testing

Test individual elements or full journeys with advanced AI-powered segmentation, great performance, no-code rollouts, and flicker-free experiments.

AI-powered testing

Run smarter experiments

Validate hypotheses quickly and accelerate your optimization cycles.

Serve personalized experiments based on visitor behavior, campaign source, location, device, and more.

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What makes us different

See why leading teams choose our AB testing platform.

Effortless feature control

Run experiments across pages, product flows, and backend logic. Let real data guide every feature rollout.

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Seamless collaboration

Preview and approve content before it goes live. Keep your team aligned with a workflow that fits how you already work.

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Flicker-free performance

Eliminate flickering and maximize your website's performance. Integrate on the client or server side with low-latency APIs built for speed.

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Granular insights

Drill down by device type, audience, time window, or custom events to uncover what's really driving results.

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Move at the speed of your ideas

Don't let a slow deployment process hold back your conversions.
  • Publish on your schedule

    Create, edit, publish, and pause experiments without having to wait for the next sprint or deployment.

  • Roll out winners instantly

    Apply winning variants in one click. No code changes required.

  • Fix on the fly

    Ship fixes for typos, broken links, formatting issues, or any other content updates yourself using a simple UI.

Get started with the free plan

Use all core features for free, no credit card required, and upgrade anytime.

Built for scale

Powerful experimentation features

Features that work for you today and scale with you tomorrow.

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Parallel testing

Run multiple experiments in parallel without the risk of traffic overlap.

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Localized experiments

Deliver location-specific variants and see how each market responds.

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Full experiment control

Schedule launches in advance or make changes on the fly.

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No sampling

Make confident decisions with 100% of your data, not estimates.

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Cross-device consistency

Show users the same variation on every device, from desktop to mobile.

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SPA support

Ship fast, flicker-free tests on modern single-page applications.

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Server-side testing

Improve performance with server-side experiments in React, Next.js, and more.

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Multiple environments

Validate experiments in development environment before going live.

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Loved by users, trusted by experts

We are among the top choices for AB testing on review platforms.
  • Recognized across categories

    Awarded by G2 for Best Support, Easiest to Do Business With, Most Likely to Recommend, and more.

  • Outperforming the competition

    Consistently outperforming VWO and Optimizely in support, usability, and testing capabilities.

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What people love about us Icon of two hearts

Croct powers high-impact teams around the world.

4.8 on G2

"Croct is an efficient customization tool. One of the best features is the ability to create slots, which makes implementation and testing much faster. While initial setup needs some dev time, the long-term benefits far outweigh this effort."

Media.MonksProfile photo of Aline Gonçalves, who is the author of the testimonial.
Aline Gonçalves
·
CRO Tech Lead at Media.Monks

"Simplicity and ease. These are the main differentials we found when we chose Croct as a partner to help us customize and offer a differentiated experience throughout the trajectory of our customers!"

ContabilizeiProfile photo of Luciano Pastuch, who is the author of the testimonial.
Luciano Pastuch
·
Growth Engineering Manager at Contabilizei

"Being a Croct partner means having agility and innovation in all processes. Nowadays, I can't think of UI/UX trends without remembering them. We have been partners for a reasonable amount of time, and I take Croct with me wherever I go."

IsziProfile photo of Pedro Saggioro, who is the author of the testimonial.
Pedro Saggioro
·
Marketing Coordinator at Iszi

"Croct is a great partner of the Parque Bondinho Pão de Açúcar and has brought significant solutions to our digital marketing efforts. Today, we are able to have a more accurate understanding of our customers and achieve better results in online sales."

BondinhoProfile photo of Herbert Salles, who is the author of the testimonial.
Herbert Salles
·
Digital Marketing at Bondinho

"The fact that we practically don't rely on developers has given us great agility, now we can upload personalizations 5x faster. The personalization loads in milliseconds, there's no flick with Croct. And the segmentation works perfectly, I'm a fan of the tool."

CorebizProfile photo of Caio Dimas, who is the author of the testimonial.
Caio Dimas
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Senior CRO analyst at Corebiz

"Croct lets you create personalized website experiences based on user navigation. Speaking of e-commerce, we can direct the user to the right path based on previous visits. The personalization tool is powerful and easy to implement and use."

HeringProfile photo of Denner Gomes, who is the author of the testimonial.
Denner Gomes
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Tech Lead at Hering

"The most undeniable result with Croct is the conversion increase (we reached values that, without this kind of tool, would be very hard to reach). Croct also offers detailed insights into user journeys, helping to provide a better overall experience."

CreditasProfile photo of Paulla Polidori, who is the author of the testimonial.
Paulla Polidori
·
Product Manager at Creditas

"The product has been pivotal in addressing a major challenge at Cobli, enhancing our capabilities in personalization. Its intuitive design and powerful features allow us to efficiently experiment and tailor pages at a much faster rate than previously possible."

CobliProfile photo of Gustavo Scholl, who is the author of the testimonial.
Gustavo Scholl
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Marketing Coordinator at Cobli

"Croct is a robust tool that enables tests we can't run on other platforms in the market. It simplifies test creation and implementation even on websites with legacy systems and complex integrations, while ensuring reliable result analysis."

SmartFitProfile photo of Kadu Yanki, who is the author of the testimonial.
Kadu Yanki
·
Product Designer at SmartFit

"Croct is the best website manager! It lets me personalize my site without coding, with real-time updates and an intuitive interface for quick, efficient changes. Its robust analytics provide valuable insights to optimize user experience and engagement."

CaixaProfile photo of Augusto Santos, who is the author of the testimonial.
Augusto Santos
·
Digital Channels and Growth at Caixa

"With Croct, I have the autonomy to run tests that previously required developer involvement. Some time ago, we needed to change a banner at the last minute. Thanks to Croct, we were able to execute this within minutes."

CorpayProfile photo of Bruna Bazan, who is the author of the testimonial.
Bruna Bazan
·
Creative Leader at Corpay

"Croct's comprehensive documentation and flexible implementation empower us to create dynamic, personalized user experiences, significantly enhancing our platform's engagement and seamlessly fitting into our QA workflows."

NerdWalletProfile photo of Tina Chen, who is the author of the testimonial.
Tina Chen
·
Senior Software Engineer at NerdWallet

"This tool is exceptional for provides data-rich reports and aiding in content personalization. It's perfect for A/B testing, and the support team has successfully resolved any obstacles I've encountered."

EnextProfile photo of Felipe Marques, who is the author of the testimonial.
Felipe Marques
·
Frontend Developer at Enext

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