Shopify App Comparison 2026

Upsell & Cross Sell - Selleasy vs FoxSell Bundle Builder

Upsell & Cross Sell - Selleasy

4.92,312 reviews
VS

FoxSell Bundle Builder

5.080 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Upsell and FoxSell Bundle Builder to find the best fit for your store.

Built for Shopify

Frequently bought together bundles & in cart upsell, boost AOV.

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Key Features

  • Frequently bought together product bundles
  • In-cart upsell and cross-sell widgets
  • Post-purchase upsell offers
  • Multiple widget styles and placements
  • Product page and cart page recommendations
  • Manual and automatic product recommendations
  • Multi-language and multi-currency support
  • Conversion analytics and reporting

Verdict on Upsell

Selleasy is one of the most popular upsell apps on Shopify with 2,200+ reviews and very affordable pricing. Its free tier includes all features up to 100 orders, making it an excellent choice for growing stores.

Built for Shopify

Boost sales, average order value, and effortlessly upsell with FoxSell Bundles Plus. Create Mix and Match Bundle Builder, Build Your Own Bundle Sets

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Key Features

  • Mix and match or Build your box bundle for complex bundling (infinite variants)
  • Automated inventory sync for fast bundles and easy order fulfillment
  • Volume Bundle with quantity breaks, POS to upsell shoppers
  • Fixed Bundles now supports 30 products in a Bundle with bundle analytics
  • Build a Box (BYOB) with Add-ons, Free Gifts, boost AOV & fly revenue fast

Upsell vs Builder — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Upsell and FoxSell Bundle Builder differ — so you can make an informed decision for your Shopify store.

FeatureUpsell &FoxSell Bundle Builder
Cart drawer / slide cart
Post-purchase upsell
Frequently bought together
Free shipping bar
Free gift / BOGO
Product page upsell
AI recommendations
Built for Shopify
Free plan available
Custom branding

Integration & Compatibility Comparison

App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.

Upsell & Cross Sell - Selleasy

Built for Shopify
  • Show Amazon-style frequently bought together product upsell bundles on store
  • Cross sell product add ons on product pages as list, grid, carousel or popup
  • Pop-up a cart upsell funnel or display in-cart upsells in cart drawer & theme
  • Display checkout upsells & post purchase page upsell with one click upsell
  • Cross sell related products on thank you page & order status page after sale

Supported Languages

English, German, French, Spanish, Portuguese, Italian, Dutch

FoxSell Bundle Builder

Built for Shopify
  • Checkout
  • Customer accounts
  • Shopify POS
  • Shopify Admin
  • Checkout Links
  • Design Packs: Theme Sections
  • Fish Wishlist
  • Online Store 2.0

Supported Languages

English

Frequently Asked Questions