
Upsell Engine by Square
- by Square Apps
- Free
Grow sales with customizable upsells, BOGO deals, bundles, and volume discounts. Show targeted offers pre-purchase, in-cart, or post-checkout to increase average order value and revenue.
About the Upsell Engine by Square
Key features
- Easily create BOGO deals, bundles, volume discounts, and cart-based gifts
- Upsell anywhere: product page, cart, post-purchase, or based on cart value
- Trigger pre-purchase popups or one-click post-purchase upsells
- Customize pop-ups and embedded offers to match your brand
- Track upsells performance with real-time analytics
The Best Upsell and cross-sell apps
Explore Best Upsell and cross-sell apps
FBP | Fast Bundle Product
Boost AOV by offering bundles, volume discounts, BOGO & more!

Essential Upsell & Cross Sell
Lift AOV with Frequently Bought Together Upsell and Cross-sell

AMP ‑ Slide Cart Drawer
Boost AOV with cart upsell offers & free shipping bar

Essential Free Shipping Upsell
Lift AOV via Free Shipping Bar Goal Cart Upsell and Cross Sell

Wiser ‑ AI Upsell & Cross Sell
Show recommended products, upsell cart to increase sales & AOV

Opus Cart Upsell Cart Drawer
Boost Sales with Free Shipping Bar and Free Gift in slide cart

Zoorix Cross Sell & Mix Match
Increase AOV with Bundles, Cross Sells, and Mix & Match offers

Wrapin ‑ Gift Wrap & Options
Allow customers to select gift wrap & message for their orders

Fly: Bundles & Quantity Break
AOV boost with Bundle, Quantity Breaks and Volume Discount

AOV Bundles Volume Discounts
Set up Volume Discounts, Bundle Offers & Bundle Builder

OrderEditing.com
Let shoppers edit address, edit orders, cancel order, & upsell

Skio Subscriptions (YC S20)
Sell subscriptions without ripping your hair out.
The best Product bundles apps
Explore Best Product bundles apps
Pumper Bundles Quantity Breaks
Increase AOV with Bundle offers, Free Gift & Volume Discount!

FBP | Fast Bundle Product
Boost AOV by offering bundles, volume discounts, BOGO & more!

Loop Subscriptions App
Everything you need to scale your Subscriptions

Wiser ‑ AI Upsell & Cross Sell
Show recommended products, upsell cart to increase sales & AOV

Zoorix Cross Sell & Mix Match
Increase AOV with Bundles, Cross Sells, and Mix & Match offers

MultiVariants ‑ Bulk Order
Mix and match multiple variants with max/minimum order limits

Bundles.app ‑ Inventory Sync
Sell more through product bundles, kits and volume discounts

Fly: Bundles & Quantity Break
AOV boost with Bundle, Quantity Breaks and Volume Discount

AOV Bundles Volume Discounts
Set up Volume Discounts, Bundle Offers & Bundle Builder

EcomRise: Upsell & Bundles
Upsell and recover carts with all in one marketing tool

Xboost Bundles Quantity Breaks
Boost AOV & Sale with Volume Discount, Product Bundles & BOGO

Upsell Kit: BOGO, Bundle & 30+
Sell more with preorders, post purchase upsell, sales pop up