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Virtual Try On is an optional paid add-on.

Static size charts don’t work. They’re outdated, generic, and confuse your shoppers. Prime AI Lite is the simple, no-cost way to deliver accurate, data-driven size recommendations across your Shopify store – from streetwear to formalwear and everything in between.

Prime AI Clothing Size Finder Lite – The Free Shopify Sizing App

3%

More conversions from day one

Instant, Accurate Sizing – 100% Free

Adjustable Size Models

Adjust the sizing model to align with your brand’s specific fit. Need help? Let us know.

Sizing guides for 1,000+ global brands are already included. See full list

We’ll add it for free. Just tell us what you need. See full list.

One-time input delivers instant sizing recommendations across multiple products.

Recommendations adapt to each brand the shopper views.

 If a shopper leaves and comes back, we remember their size and provide an instant recommendation.

Available in 15 languages – and we can add more if you need them. 

English, French, German, Spanish, Italian, Dutch, Portuguese, Brazilian Portuguese, Russian, Ukrainian, Chinese, Japanese, Hindi. Hebrew.

EU/US/UK/IT/PT and Waist size conversions – automatic.

Install in under 10 minutes – no developers required.

 Expect at least a 3% boost in overall Conversion Rate from day one.

Size Finder quiz open on a fashion product page, desktop and mobile

What It Doesn’t Do – And Why

  • No predictive AI.
  • No deep analytics.
  • No return pattern analysis.

For that, there’s Prime AI Pro – the next-level upgrade when you’re ready to scale.

Why It’s Free – And What’s In It for You

We built Prime AI Lite to support Shopify stores that need better sizing but can’t justify a paid AI tool yet. You’ll get real results – we get your feedback. If you grow, we’re here with Pro.

Install Prime AI Lite – It’s Free

  • No cost, no commitment, no catch.

  • If it works, great. If not, uninstall anytime.

Ready to Transform Sizing in Your Shopify Store? Install Prime AI Lite now and start delivering accurate size recommendations, reducing returns, and boosting conversions – for free.

Install Now – 100% Free on Shopify