Monster Cart helps merchants increase average order value across their entire store. On product pages, Buy More Save More volume discount widgets encourage larger purchases. In the cart drawer, progress bars unlock free gifts, free shipping, and store credit rewards. Smart upsells powered by Shopify recommend products customers actually want. One tick upsells add shipping protection, warranties, and extras. Fully customizable design with a dedicated team to match your brand.

Sell more with email marketing, SMS, newsletters, and web push in one app — turn visitors into customers and repeat buyers. Connect ChatGPT or Claude to Omnisend via MCP: create campaigns and build segments without leaving the chat. Omnisend's AI marketing writes on-brand copy and powers product recommendations. Grow your email list with popups and signup forms, then let marketing automation run abandoned cart and welcome automation. Plus 24/7 email & live chat support and 250+ integrations.

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.