Shopify App Comparison 2026

Kwik COD & Checkout

4.8436 reviews
VS

Shopify Checkout Blocks

4.1175 reviews

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

Customize your Checkout, Thank you and Order status pages.

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Key Features

  • Customize the Order status and Thank you page with content blocks
  • Shopify Plus: Custom Checkout with content blocks, custom fields & more
  • Shopify Plus: Create custom Order & Shipping discounts
  • Shopify Plus: Validate address format requirements and set order value limits
  • Shopify Plus: Hide, rename, & reorder delivery and payment methods

Frequently Asked Questions