Shopify App Comparison 2026

King Product Options & Variant vs Releasit COD Form & Upsells: Shopify App Comparison (2026)

King Product Options & Variant

4.6438 reviews
VS

Releasit COD Form & Upsells

4.82,643 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for King and Releasit COD Form & Upsells to find the best fit for your store.

Built for Shopify

This app helps you to create infinite product options, which help merchants sell their products and increases sales

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Key Features

  • Create unlimited app options to help merchants increase sales.
  • Support ajax cart and "buy it now"
  • Compatible with Online Store 2.0 Themes
  • Flexible and unlimited options template
Built for Shopify

Cash on delivery form for dropshipping: upsells, OTP, SMS

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Key Features

  • One-click COD order form replacing standard checkout
  • Built-in upsells and quantity offers to increase AOV
  • OTP phone number verification to reduce fake orders
  • Google Sheets integration for order export
  • Custom form fields and multi-step checkout layouts

Verdict on Releasit

Releasit is the go-to COD order form app for dropshippers and merchants in cash-on-delivery markets. Its OTP verification and built-in upsells directly address the biggest pain points of COD businesses: fake orders and low average order values.

King vs Upsells — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where King and Releasit COD Form & Upsells differ — so you can make an informed decision for your Shopify store.

FeatureKing ProductReleasit COD Form
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.

King Product Options & Variant

Built for Shopify
  • Shopify Admin

Supported Languages

English

Releasit COD Form & Upsells

Built for Shopify
  • Checkout
  • Shopify Admin
  • GemPages
  • Google Sheets
  • Kaching Cart
  • PageFly
  • Wide Bundles
  • Zipify Pages

Supported Languages

English, Italian, Spanish, French, Czech, Danish, German, Finnish, Japanese, Korean, Norwegian (Bokmål), Dutch

Frequently Asked Questions

Does Releasit replace the standard Shopify checkout?

Yes, the app creates a simplified COD order form that replaces the multi-step Shopify checkout with a single-page form optimized for cash-on-delivery transactions.

How does OTP verification work?

Customers enter their phone number and receive a one-time password via SMS. They must enter the code to complete the order, which significantly reduces fraudulent and fake orders.

Can I track orders with Facebook Pixel and other analytics?

Yes, Releasit supports multi-pixel tracking including Facebook Pixel, TikTok Pixel, and Google Analytics, allowing you to accurately track COD conversions.