CustomFit AI A/B Testing & CRO
Boost sales with no-code website personalization & AB testing
Rating
5.0
feedback
19
chart
#3,379
Reviews Over Time
App Ranking
Time spent using app
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Less than an hour
5%
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Less than a day
0%
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Less than a month
11%
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Less than a year
79%
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More than a year
0%
Reviews Summary
CustomFit.ai is highly praised by ecommerce merchants for its effectiveness in A/B testing and personalization on Shopify stores. Users appreciate the ease of setting up tests and personalizing their sites without the need for coding or developer support. The platform is commended for its smooth setup process, instant changes going live, and no impact on site speed. Additionally, the customer service team is lauded for being quick to respond, helpful, and proactive in resolving any issues. Users highlight the platform's performance, reliability, and accuracy in providing actionable insights that lead to improved conversion rates and business growth.
Highlights
Review RSS Feed
All reviews
March 11, 2026
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!
Dec. 23, 2025
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.
Nov. 13, 2025
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!
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