Shopify App Comparison 2026
FoxSell Bundle Builder vs Upcharge Fees & Product Addons: Shopify App Comparison (2026)
FoxSell Bundle Builder
Upcharge Fees & Product Addons
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FoxSell and Upcharge Fees & Product Addons to find the best fit for your store.
Boost sales, average order value, and effortlessly upsell with FoxSell Bundles Plus. Create Mix and Match Bundle Builder, Build Your Own Bundle Sets
View Full DetailsKey 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
Our surcharge app helps you apply conditional fees, late fees, and automatic fees
View Full DetailsKey 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
FoxSell vs Addons — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where FoxSell and Upcharge Fees & Product Addons differ — so you can make an informed decision for your Shopify store.
| Feature | FoxSell Bundle | 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.
FoxSell Bundle Builder
- Checkout
- Customer accounts
- Shopify POS
- Shopify Admin
- Checkout Links
- Design Packs: Theme Sections
- Fish Wishlist
- Online Store 2.0
Supported Languages
English
Upcharge Fees & Product Addons
- Checkout
- Shopify POS
- Shopify Admin
Supported Languages
English