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.

Sizing confusion costs apparel sales. When shoppers aren't sure about fit, they leave or return. MP Size Chart adds customizable size charts and size guides to Shopify product pages for fashion, footwear, jewelry & pets. Add size charts with images, videos & tabs. Import size charts in bulk via CSV. Use 30+ size chart templates, auto unit conversion and a dedicated size guide page. AI size recommendations guide shoppers to the right fit. Switching apps? We'll migrate your size charts for free.

Advanced product options w/ colour swatches & color variant. Create multi select & conditional logic w/ VO Product Options. Use as a product configurator; texboxes, surcharges, & monograms. Create price addons for best custom option variants, & multi variants. VO Options, product varient picker, textfield, textify, variant app, Multiple attributes, g-variants product options, unlimited variant product options to customize products easify options bold product option