Shopify App Comparison 2026

Rebuy Personalization Engine

4.7809 reviews
VS

Blockify Checkout Rules Plus

4.9151 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Rebuy and Blockify Checkout Rules Plus to find the best fit for your store.

AI recommendations: cart, checkout, and post-purchase upsells.

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Key Features

  • AI-powered product recommendations across entire shopping journey
  • Smart Cart: fully customizable slide-out cart with upsells
  • Post-purchase one-click upsell and cross-sell offers
  • Checkout extensions for Shopify Plus
  • Re-order landing pages and smart links
  • A/B testing and merchandising rules
  • Advanced analytics and revenue attribution
  • Integrations with Klaviyo, Recharge, Okendo, and more

Checkout customization with fraud prevention.

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Key Features

  • Max/min quantity restrictions
  • Discount, collection, customer tag, and shipping method conditions
  • Cart, checkout, and product page alerts
  • Custom branding and messaging
  • Payment method management (hide/reorder/rename)
  • Shipping discounts and COD fee configuration
  • Order status page customization
  • Checkout upsells (Plus plan)

Frequently Asked Questions