Upsellify

Upsellify helps merchants increase sales by creating product bundles and upsell offers that display directly on product pages where customers make buying decisions. This app lets you group related products into bundles or kits, allowing shoppers to select add-ons using simple checkboxes. Customers can choose variants for each upsell item inline and watch a live running total update before adding everything to cart with one click. The app is fully customizable to match your store's theme and design.