Shopify App Comparison 2026

Rapi Bundles App & Upsells App

5.01,051 reviews
VS

Simple Bundles & Kits

4.9692 reviews

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

Built for Shopify

Boost AOV with Bundles, Upsells, Volume discounts, BOGO Deals.

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Key Features

  • Unlimited bundles and post-purchase upsells
  • Mix-and-match bundle creation
  • Volume discounts and quantity breaks
  • BOGO deals and free gift bundles
  • AI bundle builder with A/B testing
  • Frequently bought together recommendations
  • Color swatch customization
  • Multi-language support

Verdict on Rapi

Rapi Bundles delivers a complete bundling and upsell toolkit with a perfect 5.0 rating across 1,000+ reviews. The free plan with unlimited bundles and A/B testing makes it an excellent starting point.

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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