2,400+ D2C brands, a 5★ Shopify App Store rating, and badges across the CRO and personalization category. Here's how the industry rates CustomFit.ai. Recognized for bringing AI-native experimentation to D2C.
CustomFit.ai won a Product Hunt Golden Kitty Award— the community's annual “best of” honor, voted by makers and product people worldwide. It's recognition of an AI-native experimentation platform that D2C teams genuinely love to use.
A/B Testing & Personalization
Featured · 5★ rating
Golden Kitty winner
Verified reviews · ecom CRO
Some of the most successful D2C marketing teams use CustomFit.ai every day. Here's what they say on the Shopify App Store.
“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.”
“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”
“We're huge fans of CustomFit.ai at our Shopify store. It's made A/B testing and personalization so much easier and more effective. I have tried using A/B platforms earlier and have found them complex for a non-techie. The platform is super fast & very easy to use. It doesn't cause any annoying flicker. And whenever we have a question, their support team is always quick to help.”
“CustomFit.ai is the perfect tool for anyone looking to improve their Shopify store through A/B testing and personalization. It’s fast, doesn’t require any coding, and our site runs flawlessly with no flicker. The customer support team has been a huge help, always there when we need them.”
“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”
“The support team at CustomFit.ai is amazing! Super responsive, always helpful, and they’ve made our experience so much smoother. It’s great knowing we can reach out anytime and get quick answers.”
“Great tool, amazing team. If you are scaling up, this tool is a must for your Shopify store.”
“I recently had the pleasure of using CustomFit for our D2C brand, Healofy, and I must say it has improved our marketing strategy. As a hardcore marketer at Healofy, I'm always on the lookout for tools that can enhance our brand's performance, and CustomFit has exceeded my expectations. The user-friendly no-code approach to website personalization and A/B testing has made it easy for us to create tailored experiences for our customers. With seamless integration into Shopify, getting started was a breeze. Since implementing CustomFit, we've experienced decent growth in conversions, AOV and increased customer engagement.”
Leader badges across A/B testing & personalization categories.
Consistently strong scores for ease of use and support.
Recognized as an emerging D2C experimentation platform.
CustomFit.ai is recognized on review platforms like G2 with Leader and High Performer badges, strong ease-of-use and support ratings, and verified customer reviews — reflecting how D2C teams rate the product.
Weekly improvements.
Hands-on, human help.
Roadmap from feedback.
Verified, unedited.
Verified G2 ratings.
2,400+ D2C brands.
Emerging-platform mentions.
Easiest tool we've rolled out — and the support team actually helps you win, not just answer tickets.
CustomFit.ai recognition reflects how real D2C teams rate the product — with Leader and High Performer badges on review platforms like G2, strong ease-of-use and support scores, and verified customer reviews.
Recognition here is earned through outcomes and service: continuous shipping, hands-on human support, and a roadmap driven by customer feedback. Reviews are verified and unedited.
For buyers evaluating experimentation platforms, this third-party validation complements the case-study results and security certifications that clear procurement.
CustomFit holds Leader and High Performer badges on review platforms, with strong ease-of-use and support scores from verified reviews.
Yes, customer reviews are verified and unedited.
For ease of rollout, hands-on support, and a roadmap shaped by customer feedback.
On G2 and other review platforms — we link to verified, unedited customer reviews.
Yes, badges reflect the most recent review-platform standings.
Please do — verified customer reviews help other D2C teams evaluate us.
No. Marketers build experiments and personalized experiences in a no-code visual editor; developers can use the API and SDKs when they want deeper control.
Most teams install in minutes via a single script tag or the Shopify app and ship their first experiment the same week.