Create unlimited custom options in minutes — no code needed. Break Shopify’s 100-variant limit with YMQ Product Options App. Offer 30+ option types — text, swatches, file uploads, date pickers & more. Option content translation and multi-market pricing boost global sales. Percentage & fixed pricing, discount price, price formulas, and volume discounts boost sales. Use option sets to save time. Supports cart editing, drawer cart & Buy Now. Perfect for personalized, custom & wholesale products.

Wishlist Plus enables your shoppers to save favorites and return to them later. Comes with powerful APIs to customize wishlists and integrates with leading email services to send price drop and restock alerts. Helps shoppers organize products into multiple wishlists and share them via emails, SMS, and socials. Supports anonymous wishlists. Comes with detailed reports on shopper behavior. Includes a new Customer Accounts extension for easy tracking of all wishlists and browsing activity.

Use REZ’s Preorders and Notify Me tools to create waitlists for out of stock products. Accept pre-order, backorder, and presale orders with deposits or partial payment to generate revenue early. Automatically send back in stock alert emails and coming soon notification messages when items are restocked. Let customers request their interest with notify me. Track demand with conversion analytics. Manage everything easily with 24/7 quick support. Install REZ today and never miss a sale again!

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.

Inbox puts an AI-powered sales associate on your storefront. Buyers can ask questions and get help finding the right products from your catalog. When buyers sign in with Shop, your Inbox agent can personalize replies using their preferences and purchase history from across Shopify. Run Inbox with or without the agent. Inbox learns from your catalog, policies, and store content while you control its tone, style, and rules.