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AI Size Recommendations for Shopify Apparel

AI-Driven Fit Intelligence for Accurate Size Decisions

Smart Size Inputs

Gathers shopper details such as height, weight, age, and body shape to understand fit needs accurately.

Fabric & Style Logic

Adjusts size recommendations based on fabric stretch, garment cut, and fit styles like slim, regular, or oversized.

Instant Size Suggestions

Shows the best-matched size directly on product pages, helping shoppers make faster purchase decisions.

Shopify-Ready Automation

Runs seamlessly with Shopify stores no coding, no manual setup, and no technical effort required.

Dynamic AI Size Chart Generator

Create size charts that match each product type and shopper profile.
 The system adapts sizing by category, fit style, and measurement units for clarit

  • Category-based sizing for men, women, kids, and unisex.
  • Switch between inches and centimeters.
  • Display clear measurement tables and notes for chest, waist, hip, and more.
  • Visual size chart images for easy measuring.

Product-Specific Fit Adjustments

Each product has a unique fit. This feature builds sizing logic for every item instead of using a single brand-level chart. It considers how the garment is made, how it feels when worn, and how it is meant to fit.
  • Fit rules change per product, not just by category or brand.
  • Supports oversized, fitted, relaxed, and regular fit styles.
  • Adjusts size guidance based on fabric type, cut, and stitching.
  • Shows clear fit expectations so buyers feel confident before checkout.

Make Size Selection Easy for Every Shopper

AI Fit Finder helps shoppers choose the right size with confidence. Clear recommendations reduce hesitation, improve checkout completion, and create a smoother buying experience across your Shopify store.

3M+

Size Recommendations Delivered

18K+

Active Shopify Stores

< 5 mins

Average Setup Time

40%+

Conversion Rate Improvement

Fully Customizable Widget

Easily customize the size guide widget to match your brand and preferences.
  • Edit button text (Size Guide, Size Chart, Result, No-match message).
  • Adjust padding, border radius, colors, and popup style.
  • Show/hide brand info and reorder brand sequence.
  • Control widget visibility by gender, category, and products.

Mobile Accessibility

Fully optimized for size selection and shopping on mobile devices.
  • Fully optimized for smooth size selection on mobile and tablet.
  • Size charts stay clear and easy to view on small screens.
  • Fit tool works anytime while browsing products.
  • Improves convenience and engagement for mobile shoppers.

Size Performance, Shopper Behavior & Fit Accuracy

View complete insights into size recommendations, widget usage, and shopper interactions. Monitor accuracy trends and understand which sizes and fit preferences perform best across your store.
  • View size recommendations, active widgets, and enabled products.
  • Track top fit preferences and most recommended sizes.
  • Monitor accuracy trends and shopper interactions with the size tool.
  • Analyze engagement and fit behavior with charts.
Size Recommendation

Let Shoppers Find Their Fit Instantly

Add AI Fit Finder to your Shopify store in minutes and help shoppers choose the right size with confidence every time. The setup is quick and simple, requires no coding, and works smoothly with your current store layout without changing your design.

Loved by Millions of Shoppers Worldwide

Real reviews from Shopify store owners who improved conversions and reduced size-related returns with AI Fit Finder.
AMBROSE
United States

Great app, it’s helped our customers find the right size quickly and reduced fit-related questions. The customer service team is incredibly responsive and helpful. Highly recommend....

Atlas & Bone
Singapore

Kudos to what these guys are doing! Not only have they built something that is highly relevant and useful for any business in the clothing space, but they're extremely open to finding out how the app can further be improved based on niche requests....

SHAPERS
Germany

Amazing app and outstanding service. We tested several size ecommendation apps, but there was always something that didn’t fit our product, and customer support was often slow or nresponsive when it came to changes or customizations. With this app, we had no issues at all....

Project Allone
Netherlands

Great, app with good service, Quick respons on questions....

Intence
France

Excellente application ! L’équipe de développement a su l’adapter parfaitement à mes besoins. Les assistants et les développeurs ont été très réactifs, disponibles et à l’écoute tout au long du processus....

JolieRide
Canada

Amazing app, works like a charm Easy to set up, and customer service is AMAZING!....

Pureloom
Israel

Love this app make my store be more professional....

FAULT STUDIOS
Netherlands

The team was incredibly helpful in getting the app up and running for me. When I faced some issues, their support was quick, clear, and effective. Thanks to them,....

LW PEARL
United States

I'm glad that my issue has been resolved with the responsive support of CartCoders. I hope more functionality like customized product type and unisex products could be supported.

Howl West
Spain

agradable....