Shopify App Comparison 2026

Rebuy Personalization Engine

4.7809 reviews
VS

SMART Checkout Rules

5.0383 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Rebuy and SMART Checkout Rules 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

Seamlessly customize your checkout with powerful custom rules.

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Key Features

  • Block or hide checkout methods by customer tag, country, value, or products
  • Create rules to sort or rename payment and shipping options dynamically
  • Prevent high-risk orders or apply logic to block COD, PayPal, or Credit Card
  • Streamline checkout flows for B2B, international, or rule-based segments
  • Apply smart shipping or discount logic by cart total, tag, or delivery method

Frequently Asked Questions