There are two main ways to add upsells to your Shopify store:
#1. Shopify Apps - This is the easiest and most feature-rich option. Popular apps like Qikify let you:
- Install and configure the app
- Create targeted upsell offers (products, triggers, discounts)
- Launch and track upsell performance
#2 Shopify Scripts (for coders):
This method involves editing your theme code to create an upsell popup Shopify or displays. It's less user-friendly and requires ongoing maintenance.