Shopify App Comparison 2026
Opus Cart Drawer Cart Upsell vs Releasit COD Form & Upsells: Shopify App Comparison (2026)
Opus Cart Drawer Cart Upsell
Releasit COD Form & Upsells
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Opus and Releasit COD Form & Upsells to find the best fit for your store.
Key Features
- Upsells & Cross-sell: Boost AOV with Frequently Bought Together offers
- Free Gifts: Encourage higher spending with Free Gifts based on cart variants.
- Rewards Bar: Encourage customers to buy more to get free shipping and rewards.
- Drive Urgency: Boost conversions with countdown timers & limited-time deals.
- Abandoned Cart: Recover sales by tracking & understanding why customers leave.
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.
Opus vs Upsells — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Opus and Releasit COD Form & Upsells differ — so you can make an informed decision for your Shopify store.
| Feature | Opus Cart | Releasit COD Form |
|---|---|---|
| Cart drawer / slide cart | ||
| Post-purchase upsell | ||
| Frequently bought together | ||
| Free shipping bar | ||
| Free gift / BOGO | ||
| Product page upsell | ||
| AI recommendations | ||
| Built for Shopify | ||
| Free plan available | ||
| Custom branding | ||
| 24/7 support | ||
| Multi-language | ||
| Mobile-optimized | ||
| Analytics dashboard | ||
| API access |
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.
Opus Cart Drawer Cart Upsell
- Checkout
- Shopify Admin
- Avis Options, Avis Bundles
- Checkout
- Ecomposer, Gempages
- Subscriptions App
- Translate & Adapt
- Transtore, Transcy
Supported Languages
English, Chinese (Simplified), French, Spanish, Japanese
Releasit COD Form & Upsells
- 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.