Shopify App Comparison 2026

Payflow: COD & Payment Methods vs Rebuy Personalization Engine: Shopify App Comparison (2026)

Payflow: COD & Payment Methods

4.9107 reviews
VS

Rebuy Personalization Engine

4.7810 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Payflow: and Rebuy Personalization Engine to find the best fit for your store.

Built for Shopify

Integrate Cash on Delivery (COD) with added fees to your store. Conditionally customize payment and shipping methods seamlessly for better checkout experience.

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Key Features

  • Streamline COD effortlessly, eliminating post-purchase edits and custom products
  • Easily hide, rename, reorder payment & delivery methods based on your conditions
  • Use conditions such as total price, weight, tags, products, address and more
  • Advanced AND/OR condition tool enabling seamless integration of multiple rules
  • Built using native Shopify functions for a faster and more integrated experience
Built for Shopify

Upgrade your customer journey with Rebuy's flexible, integrated and customizable toolset: Smart Cart + Links, Post-Purchase, Re-Order Landing Page, and more.

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Key Features

  • AI-powered search, end-to-end personalization, upsells, and cross-sells
  • Smart Cart is the only fully integrated, customizable and AI-powered cart
  • Data-fueled product recommendations in checkout and accelerated checkout
  • Build engagement with Post-Purchase, Re-Order Landing Pages, and Smart Flows
  • Industry-leading integrations through every step of the customer's journey

Payflow: vs Engine — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Payflow: and Rebuy Personalization Engine differ — so you can make an informed decision for your Shopify store.

FeaturePayflow: CODRebuy Personalization Engine
Free plan available
Built for Shopify
24/7 support
Multi-language
Mobile-optimized
Analytics dashboard
API access
Custom branding

Integration & Compatibility Comparison

App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.

Payflow: COD & Payment Methods

Built for Shopify
  • Checkout
  • Shopify Admin

Supported Languages

English

Rebuy Personalization Engine

Built for Shopify
  • Checkout
  • Customer accounts
  • Attentive
  • Klaviyo
  • Malomo
  • Okendo
  • Recharge
  • Route

Supported Languages

English

Frequently Asked Questions