Upsell Engine by Square

Square Upsell Builder increases your AOV with powerful tools like product bundles, Buy X Get Y (BOGO), volume discounts, and free gifts. Show one-click post-purchase upsells, unlock spending goal discounts, or reward bigger orders with free products — all fully customizable and easy to launch. Perfect for pre-purchase, in-cart, or post-checkout upsells, Square Upsell Builder gives you everything you need to grow your revenue fast.