Shopify App Comparison 2026
Opus Cart Drawer Cart Upsell vs Rapi Bundles App & Upsells App: Shopify App Comparison (2026)
Opus Cart Drawer Cart Upsell
Rapi Bundles App & Upsells App
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Opus and Rapi Bundles App & Upsells App 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
- Unlimited bundles and post-purchase upsells
- Mix-and-match bundle creation
- Volume discounts and quantity breaks
- BOGO deals and free gift bundles
- AI bundle builder with A/B testing
- Frequently bought together recommendations
- Color swatch customization
- Multi-language support
Verdict on Rapi
Rapi Bundles delivers a complete bundling and upsell toolkit with a perfect 5.0 rating across 1,000+ reviews. The free plan with unlimited bundles and A/B testing makes it an excellent starting point.
Opus vs App — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Opus and Rapi Bundles App & Upsells App differ — so you can make an informed decision for your Shopify store.
| Feature | Opus Cart | Rapi Bundles App |
|---|---|---|
| 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 |
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
Rapi Bundles App & Upsells App
- Checkout
- Customer accounts
- Shopify Admin
- Bundles
- bundles app bundle app
- GemPages + Pagefly + ecomposer
- Page Builders
- Post Purchase Upsell
Supported Languages
English, French, Portuguese, German, Spanish