Personalize, A/B Test, and Optimize Your Website & APP—No Code Needed

CustomFit.ai is the easiest and powerful AI driven no-code A/B testing and personalization platform for Shopify, WooCommerce, BigCommerce, Magento, Salesforce, and more.

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For Marketers, By Marketers

Designed to put you in control

Works on any CDPs

No coding, no waiting—just results.

Proven Results

Trusted by top brands like Kapiva, Groww, and Bombay Shaving Company.

Trusted by Top D2C Brands

All-in-One Personalization & A/B Testing Platform to Maximize Conversions and Sales

No-Code Editing

Modify content directly using our Chrome extension—simple and fast.

Targeted Personalization

Engage your audience like never before. Deliver hyper-relevant messages to different visitor segments, increasing engagement and driving conversions.

Seamless Integration

Connect with your e-commerce or CMS platform in a few clicks. Whether Shopify, WordPress, or custom solutions, we fit right into your workflow.

Dynamic Content Testing

Run unlimited A/B tests to discover what resonates best with your audience. Quickly adapt and experiment to maximize results and stay ahead of the competition.

Real-Time Analytics

Track performance and uncover actionable insights instantly. Optimize campaigns on the go with data that empowers smarter decisions.

Personalization, Step-by-Step — It Only Takes 4 Minutes

A quick demo showing how to build personalized experiences in under 4 minutes.

DIY Features To Boost Website Conversions

CustomFit.ai makes it easy to run A/B tests, AB split testing, and hyper-targeted personalization
across Shopify, WooCommerce, and other platforms—without writing a single line of code.

Proven Success Stories

See how brands achieved remarkable growth with CustomFit.ai - boosting conversions and delivering personalized experiences through real-world success stories.

CustomFit.ai felt like putting on a pair of comfy running shoes after years of clunky boots. We could run more tests, personalize bolder, and see the results flash before our eyes.

Ankit Shard

Associate VP (E-Commerce)

11%

Increase in conversions

10-15%

Improvement in ROI

NPS Improved

The synergistic partnership between Kapiva and CustomFit.ai has yielded statistically significant results, showcasing the profound impact of personalized page experiences on user engagement and conversion rates.

Ankit Raj

Sr.Director, D2C

9.48%

Increase in Conversions

Higher engagement with CTAs

Enhanced User Engagement

With CustomFit we were able to achieve a very strong foundation for experimentation culture, and increased velocity of publishing campaigns within one month.

Anirudh Shridharan

Growth Marketer

40%

Increase in AOV

Augmented our experimentation culture

Improved website quality for ideal visitors

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Don't take our word for it

Some of the most successful marketing teams use CustomFit.ai every day. Here’s what people have to say:

Why CustomFit.ai is better than others

Built for marketers, designed for performance, trusted by top D2C brands.

It’s Damn Easy to Use

No coding. No hassle. Just drag, drop, and personalize your website in minutes.

Precision Targeting

Reach the right audience at the right time with laser-focused personalization.

In-Depth Analytics

Get real-time insights that go beyond vanity metrics—track what truly drives conversions.

Seamlessly Connect with Any CMS

Seamlessly Connect customfit with Any CMS

Seamlessly Integrates with Your Tech Stack

Whatever you need, our expert engineers ensure it works perfectly with your existing tools.

Audience Platforms

CMS

Analytics platforms

Your Data is
Safe with Us 🔒

We meet the industry's highest security standards: ISO 27001 Certified, SOC 2 Compliant, and GDPR Ready.

GrowthFit Expert Interview Series

Insights from top marketers and industry leaders on growth strategies, challenges, and wins to fuel your success.

Transforming Website Visitors Into Loyal Customers With Proven Strategies

GROWTH

Brian Massey

Transforming Website Visitors Into Loyal Customers With Proven Strategies

Investigating the Science of A/B Testing

AI ADVANCES

Deborah O'Malley

Investigating the Science of A/B Testing

Conversion Optimization is an Operating System

FUTURE

Alex Birkett

Conversion Optimization is an Operating System

Developing a funnel focused marketing strategy

AI ADVANCES

GROWTH

Maria Edlefsen

Developing a funnel focused marketing strategy

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Frequently Asked Questions

Get quick answers to common questions about our platform, features, and services.

Do I need coding skills to use CustomFit.ai?

No! CustomFit.ai is a true no-code platform. Marketers and business owners can set up experiments, personalize pages, and analyze results using a simple drag-and-drop editor, making it extremely easy to use.

Can I use CustomFit.ai with Shopify and other eCommerce platforms?

Yes! CustomFit.ai seamlessly integrates with Shopify, WooCommerce, and other eCommerce platforms, allowing you to optimize product pages, personalize promotions, and run experiments to improve your online store's conversion rate.

What kind of personalizations can I create with CustomFit.ai?

With CustomFit.ai, you can personalize your website based on location, device type, referral source, visitor behavior, purchase history, and more. You can modify text, images, CTAs, banners, and even entire sections of your website.

How long does it take to set up CustomFit.ai?

Setting up CustomFit.ai is quick and easy. Simply add a lightweight script to your website (just like Google Analytics), and you can start personalizing your website in minutes—no developer required!

Does CustomFit.ai offer a free trial?

Yes! We offer a free trial so you can explore CustomFit.ai and see how it helps boost your website’s conversion rates before committing to a plan.