Shopify App Comparison 2026

Amp Slide Cart Upsell Drawer vs Upcharge Fees & Product Addons

Amp Slide Cart Upsell Drawer

5.0658 reviews

Upcharge Fees & Product Addons

4.5137 reviews

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

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

Amp vs Addons — Side-by-Side Feature Comparison

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

Feature	Amp Slide	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.