Shopify App Comparison 2026
Upcharge Fees & Product Addons vs Rapi Bundles App & Upsells App: Shopify App Comparison (2026)
Upcharge Fees & Product Addons
Rapi Bundles App & Upsells App
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Upcharge and Rapi Bundles App & Upsells App to find the best fit for your store.
Our surcharge app helps you apply conditional fees, late fees, and automatic fees
View Full DetailsKey Features
- Apply klarna fees, credit card fees, fees payment, or a payment method fee
- Set a fee rule for a flat fee, cart fee, percentage fee, or extra fee
- Extra fees manager for mandatory fees, tariff surcharge & extra charge
- Link price addons, deposits and fees directly to your orders and fees
- Add a fee, cash on delivery fee, surcharge fee, or fees and surcharges
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.
Upcharge vs App — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Upcharge and Rapi Bundles App & Upsells App differ — so you can make an informed decision for your Shopify store.
| Feature | Upcharge Fees | 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.
Upcharge Fees & Product Addons
- Checkout
- Shopify POS
- Shopify Admin
Supported Languages
English
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