Shopify App Comparison 2026

Kwik COD & Checkout

4.8436 reviews
VS

Blockify Checkout Rules Plus

4.9151 reviews

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

Smart Checkout solution to reduce RTO (Return to Origin).

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Key Features

  • Intelligent COD blocking with 70+ personalized interventions
  • Smart login and pre-filled address capability
  • Advanced prepaid discounts and bundle offerings
  • Partial COD payment options
  • OTP verification and IP blocking
  • WhatsApp order notifications
  • Post-purchase upsells and one-click checkout
  • Customizable checkout (theme colors, logo, text)
  • 35+ plug-and-play integrations
  • RTO Intelligence Data access

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