Top 4+ “AI Size Recommender” Apps For Shopify

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If you’re struggling to assist your customers in finding the right size so they can confidently make a purchase, let “AI Size Recommender” apps help you with that. These applications offer personalized size recommendations for clothing brands through the power of artificial intelligence. Furthermore, continuously refining its recommendations on a product level makes them more accurate after each interaction. By ensuring customers always get the perfect fit, you’ll reduce returns and increase sales. Follow along in this article to find the most suitable app to deliver the best shopping experience for your customers.

The best AI Size Recommender apps for Shopify in 2024

Here is the list of the best “AI Size Recommender” apps for Shopify in 2024:

1. Robosize: AI Size Recommender

Robosize offers an AI size chart and virtual Fitting room for finding the perfect fit with a few clicks and reducing returns.

This is an app that helps your customers find the right size with a few clicks with AI, so your customers can buy confidently. You’ll see increased conversion rates and decreased cart abandonment rates due to size hesitancy when your customers use Robosize. Your customers will now see the perfect size for their unique body shape. They no longer need to buy multiple sizes or guess about a size hoping it fits. Robosize brings a perfect shopping experience to your customers.

Pricing: Free plan available. 14-day free trial.


  • Accurate fit recommendations from basic questions like height, weight, and age
  • Machine learning powered fitting room with optional parameters like fabric & cut
  • Customizable questions and recommendation methods
  • Product-based size optimization
  • Fit one item and it will automatically show the right size for all store products


Robosize: AI Size Recommender app

2. Vestico AI Size Recommender

If you find it difficult to recommend sizes to your customers when they buy clothes or shoes…, the Vestico app will greatly help you. This app helps boost sales and decrease returns with personalized AI-driven size recommendations.

Vestico provides personalized size recommendations for apparel brands with the power of artificial intelligence. No more guesswork or worrying about fit – Vestico will reduce returns and boost sales by ensuring customers get the perfect fit every time. As customers shop, Vestico continuously refines its recommendations on a product level, making them more accurate with each interaction. Its user-friendly interface will complement any brand identity, with no lift from your side.

Pricing: Free plan available


  • Size recommendation on every apparel item
  • The AI-powered system that learns from customers’ purchases and gets smarter
  • Tested improvement in returns rates and conversion metrics
  • Easy to install & next-day launch
  • Access to the dashboard for in-depth analytics & customization options


Vestico AI Size Recommender app

3. True Fit: AI Size Guidance

True Fit app is the AI size-and-fit solution for your shoppers, your teams, and your brand

Understanding the difficulties in recommending the right size for your beloved customers, this application was created. True Fit benefits your shoppers by providing size recs across all footwear & apparel categories for men, women, kids & unisex, including swim & intimates. This size solution provides inclusive size guidance for every body, shape, size & preference. Install True Fit in minutes & let this app do the heavy lifting to get recommendations on your PDPs.


  • Single business solution to increase conversion & reduce returns
  • Size recommendations for a broad assortment of categories & shoppers
  • Varying size and fit experiences to turn browsers into buyers
  • No-code Install in minutes


True Fit: AI Size Guidance app

4. SizeMe AI ‑ Size & fit advisor

SizeMe AI helps your customers get their ideal size, reducing returns and increasing sales.

This app has got you covered when it comes to the ever-annoying about recommending suitable sizes for customers. With our 4 innovative AI-based solutions, this app provides specially designed size suggestions for every shopper. This results in fewer size-related hassles (and more time for you), increased sales, and heightened customer loyalty. Plus, this popup solution can be customized to match your brand’s unique look and feel. Install this app now if you want size recommendations to be a breeze.

Pricing: Free plan available. 30-day free trial.


  • Give your customers accurately tailored size recommendations and reduce returns
  • Match your brand’s style by editing the button’s position and look
  • Display smart size guides alongside the other three innovative sizing methods
  • Make your store stand out with advanced size recommendation technology
  • Gain valuable insights through a live metrics dashboard


SizeMe AI ‑ Size & fit advisor app


These excellent apps are suitable for all categories of footwear and clothing for men, women, children, and unisex, including swimwear and underwear. No matter what industry you’re in, these apps will help you with Issues related to size recommendation. The system is powered by AI learning from customer purchases and becomes smarter over time, ensuring customers always get the perfect fit. By integrating these apps into your store, you no longer have to guess or worry about size fit. Returns will significantly decrease, and sales will increase. Let’s get started.

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