Shopify App Comparison 2026

Upsell & Cross Sell - Selleasy vs Upcharge Fees & Product Addons

Upsell & Cross Sell - Selleasy

4.92,312 reviews
VS

Upcharge Fees & Product Addons

4.5137 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Upsell and Upcharge Fees & Product Addons 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

Our surcharge app helps you apply conditional fees, late fees, and automatic fees

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Key Features

  • Apply klarna fees, credit card fees, fees payment, or a payment method fee
  • Set a fee rule for a flat fee, cart fee, percentage fee, or extra fee
  • Extra fees manager for mandatory fees, tariff surcharge & extra charge
  • Link price addons, deposits and fees directly to your orders and fees
  • Add a fee, cash on delivery fee, surcharge fee, or fees and surcharges

Upsell vs Addons — Side-by-Side Feature Comparison

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

FeatureUpsell &Upcharge Fees &
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

Upcharge Fees & Product Addons

Built for Shopify
  • Checkout
  • Shopify POS
  • Shopify Admin

Supported Languages

English

Frequently Asked Questions