Shopify App Comparison 2026

Aftersell Post Purchase Upsell

4.8795 reviews
VS

Simple Bundles & Kits

4.9692 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Aftersell and Simple Bundles & Kits to find the best fit for your store.

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.

Built for Shopify

Build mix match product bundle for 3PL fulfillment & inventory.

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Key Features

  • Multiple bundle types (fixed, mix-and-match, build-a-box)
  • Automatic SKU breakdown for 3PL fulfillment
  • Real-time inventory synchronization
  • AI-generated bundle suggestions from order history
  • Volume discounts and quantity breaks
  • BOGO and free gift functionality
  • Subscription bundle support
  • Shopify POS and ERP integration

Verdict on Simple

Simple Bundles is the go-to choice for merchants who need proper inventory sync and 3PL fulfillment with their bundles. Its automatic SKU breakdown sets it apart from other bundle apps that only handle the frontend.

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