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Size Finder Lite - Now Available on Shopify App Store - Free

Clothing Size & Fit Finder Pro vs. Lite Comparison

Not sure which version of Prime AI is right for your business?

This quick guide compares Prime AI Lite, our plug-and-play app built specifically for single-brand Shopify retailers, with Prime AI Pro, our fully customisable solution powered by predictive AI, designed for both single and multi-brand businesses with no limitations.

Clothing Size & Fit Finder Pro vs. Lite Comparison

Explore the key differences in features, integration, and AI capabilities to find the perfect fit for your needs. Please Note: Pro features unlimited customisation – speak to us to learn the full scope of its capabilities. Some content is locked. Request a demo and reply to our email asking for a password to access the section. 

TL;DR: Prime AI Lite is perfect for quick launch and essential sizing accuracy. Pro unlocks the full power of AI, including return-based learning, product-level modelling, and deep data integrations.

Clothing Size Finder Lite

Install on Shopify now, no coding required.
Free Shopify App
FREE TRIAL

Clothing Size Finder Pro

Reduce returns and offer personalisation to your customers.
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Still not sure which is right for you?

Reviews

Anna - Digital Director (UK)
Handy tool and fantastic customer service
The tool allows us to offer accurate fitting information to our customers, including information based on returns to maintain accuracy. The Prime AI team are very helpful if/when issues arise, and are quick at responding and solving problems, as well as suggesting new ways the tool can be implemented.
Denis - Performance Marketing Manager (Romania)
Efficient Cooperation
Our cooperation with Prime AI is very successful, we are happy with the results. Also, optimisation of the tool has been implemented after multiple feedback sessions to which Prime AI has been very open. The UX was not the best, but after multiple feedback sessions, things got fixed.
Rosie - Head of e-commerce and brand (UK)
Great software and amazing account management
Prime AI's account management and monthly reports/ recommendations have been brilliant. We have been able to customise the platform to suit our needs and no ask is ever too much 🙂 ... We have been able to make informed, strategic business decisions and the product is great from a user interface point of view with seamless integration.

Case Studies

multi-brand fashion return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Multi-brand Fashion Return Reduction – How Prime AI Reduced Returns Across 14 Brands

Multi-brand Fashion Return Reduction – How Prime AI Reduced Returns Across 14 Brands

speedo return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Speedo Return Reduction: How Prime AI Slashes Returns

Speedo Return Reduction: How Prime AI Slashes Returns

new balance return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
New Balance Return Reduction: How Prime AI Slashes Returns

New Balance Return Reduction: How Prime AI Slashes Returns

puma return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Puma Return Reduction: How Prime AI Slashes Returns

Puma Return Reduction: How Prime AI Slashes Returns

under armour return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Under Armour Return Reduction: How Prime AI Slashes Returns

Under Armour Return Reduction: How Prime AI Slashes Returns

the north face return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
The North Face Return Reduction: How Prime AI Slashes Returns

The North Face Return Reduction: How Prime AI Slashes Returns

Nike return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Nike Return Reduction: How Prime AI Slashes Returns

Nike Return Reduction: How Prime AI Slashes Returns

reebok return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Reebok Return Reduction: How Prime AI Slashes Returns

Reebok Return Reduction: How Prime AI Slashes Returns

Ellesse return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Ellesse Return Reduction: How Prime AI Slashes Returns

Ellesse Return Reduction: How Prime AI Slashes Returns

Champion return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Champion Return Reduction: How Prime AI Slashes Returns​

Champion Return Reduction: How Prime AI Slashes Returns​

Adidas return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Adidas Return Reduction: How Prime AI Slashes Returns

Adidas Return Reduction: How Prime AI Slashes Returns

Multi-brand retail return reduction case study showing how Prime AI’s size recommendation tool helped reduce return rates and improve sizing confidence in online fashion retail.
Multi-brand Retail Return Reduction: How Prime AI Slashes Returns

Multi-brand Retail Return Reduction: How Prime AI Slashes Returns

Case Studies

We analysed 1,000,000 returns. Here's what we found...

Lessons from 1,000,000 Returns" – A bold, high-contrast digital artwork featuring a stylish woman in an off-shoulder dress, overlaid with abstract textures in blue, pink, and black. The vibrant design highlights the key theme of inconsistent sizing in fashion, a major driver of returns in online retail.
Inconsistent Sizing in Fashion: Shocking Insights from Analysing 1 Million Returns

Inconsistent Sizing in Fashion: Shocking Insights from Analysing 1 Million Returns

Bracketing in online shopping – Lessons from 1,000,000 returns. Image of a woman wearing a navy knit two-piece outfit, with a futuristic digital background.
Bracketing in Online Shopping – Lesson 2 from 1M Returns

Bracketing in Online Shopping – Lesson 2 from 1M Returns

A stylish model in a blue-striped outfit with a digital data background, representing insights from analysing 1 million online returns. Text overlay reads ‘Lessons from 1,000,000 Returns – 3’, reinforcing the key theme of how poor fit leads to lost customers.
Poor Fit Leads to Lost Customers – Lesson 3: Stop Return-Driven Churn

Poor Fit Leads to Lost Customers – Lesson 3: Stop Return-Driven Churn

Articles
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