CustomFit AI A/B Testing & CRO

CustomFit is an amazing app for running A/B tests and personalizing a Shopify store without any coding. The interface is very easy to use, and setting up experiments takes just a few minutes. It’s helped us test different ideas quickly and improve our store’s performance. Highly recommend it to any Shopify merchant looking to optimize for conversions!

A brilliant A/B test tool for all teams from tech, marketing, to product.

Super easy to set up and really user-friendly. We ran A/B tests and personalized our site without needing any dev support. Also, their customer service team is quick to respond and genuinely helpful.

We’ve been using CustomFit.ai on our Shopify store for a few months now, running multiple A/B tests and personalisation experiments. The setup is incredibly smooth changes go live instantly and there’s absolutely no impact on site speed.

The platform has helped us drive clear improvements in engagement and conversions, and we’ve been able to execute experiments faster than ever.

A special shoutout to their team they’re super responsive, proactive, and always quick to resolve any issues. Even our last-minute or ad-hoc requests have been handled promptly without any follow-up needed.

Overall, a great partner for growth and experimentation. Highly recommended!

I was amazed at how quickly we could start using CustomFit.ai. Setting up A/B tests and personalizing our pages was straightforward, with no coding required. The performance is excellent, and the best part- support team is always just a message away and super helpful!

CustomFit.ai has been a game-changer for our store. We can run detailed A/B tests and personalize content without needing a developer.

The platform is super quick, and our site runs without any flicker, which is crucial for us. Plus, their customer support is exceptional—they always have our back.

We've had a great experience using CustomFit.ai on our website. The platform has been incredibly helpful for running a variety of A/B tests, allowing us to experiment with different content, layouts, and user journeys seamlessly.

What truly stood out is the performance and reliability — the testing outcomes were accurate and actionable, helping us make confident decisions that improved our conversion rates. CustomFit.ai gave us the flexibility to personalize user experiences and optimize them in real-time, which had a direct impact on our business growth.

CustomFit.ai is an incredible tool for any Shopify store looking to optimize their customer experience. We’ve used it for both A/B testing and personalization, and it’s been fantastic. The platform is fast, easy to navigate, and our site runs smoothly with no flicker. Customer support is always just a message away and super helpful.

this is hands down the best A/B testing app out there. i had the chance to get in touch with the founder- Ashwin, and the guy is a gem. so helpful and informative and will help out any way he can

CustomFit.ai is an incredible tool for any Shopify store looking to optimize their customer experience. We’ve used it for both A/B testing and personalization, and it’s been fantastic. The platform is fast, easy to navigate, and our site runs smoothly with no flicker. Customer support is always just a message away and super helpful