Shopify App Comparison 2026

Amp Slide Cart Upsell Drawer vs FoxSell Bundle Builder

Amp Slide Cart Upsell Drawer

5.0658 reviews

FoxSell Bundle Builder

5.080 reviews

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

Built for Shopify

Add slide cart to boost AOV with upsells & free shipping bar.

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Key Features

Cart drawer with sticky cart functionality
Cart upsells and cross-sell recommendations
Frequently bought together suggestions
Free gift promotions (BOGO mechanics)
Tiered rewards progress bar
Countdown timers for urgency
Shipping protection and warranty toggles
Multi-language and multi-currency support

Verdict on Amp

Amp Slide Cart is a well-established cart drawer app with a perfect 5.0 rating since 2019. It offers a comprehensive feature set including tiered rewards, free gifts, and urgency timers all within the slide cart experience.

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

Amp vs Builder — Side-by-Side Feature Comparison

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

Feature	Amp Slide	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.