Shopify App Comparison 2026

Amp Slide Cart Upsell Drawer

5.0633 reviews
VS

Aftersell Post Purchase Upsell

4.8795 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Amp and Aftersell Post Purchase Upsell 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

Lift AOV with 1-Click Checkout Upsells & Thank You Page Offers.

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Key Features

  • Post-purchase one-click upsells and downsells
  • Thank you page customization with cross-sells
  • AI-powered Smart Funnels recommendations
  • A/B testing with conversion analytics
  • Checkout upsell (Shopify Plus)
  • Advanced targeting by product, cart value, customer tags, UTM
  • Mobile-optimized interface
  • Integration with Nosto, ReCharge, Skio, and more

Verdict on Aftersell

Aftersell is one of the most established post-purchase upsell apps, now backed by Rokt. Its AI-powered Smart Funnels and robust A/B testing make it a strong choice for data-driven merchants, though pricing is on the higher side.

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