Kiwi helps you remove any sizing uncertainty with customizable size charts and AI-powered fit recommendations that guide shoppers to the right choice. The result? More confident purchases and fewer returns. Add size charts and smart recommendations to any product, from apparel to dog collars. Quick to set up and gives you the flexibility to create a sizing experience that looks professional and fits your brand.

You will boost sales of products for which customers must select the size, offering them a tool to make a safe purchase and solve any doubt. You will be able to limit returns and refunds of products not matching users' needs, offering a wider overview of the products you sell. You will improve your site usability and user experience during the purchase, reducing information and/or support requests related to size, weight, etc.

Shopify businesses use Privy to grow their email & SMS contacts, automate their email marketing, send money-making text messages, and improve their website conversion rates. With Privy, you don’t need to be an expert to design email newsletters, launch website popups, or automate cart saver texts. Privy is built for ease-of-use, so you can spend more time focusing on growing your business. And if you have questions, our support teams are there with you every step of the way.

The custom rules builder allows you to set specific conditions for checkout. For example, you can control the number of items customers can buy, require certain customer or product combinations, restrict product availability to logged-in users, and implement checks based on product details, variant, collection and cart.

Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and marketing automation tools that turn browsers into buyers.