Shopify App Comparison 2026
Kaching Bundles App & Upsells vs Upcharge Fees & Product Addons
Kaching Bundles App & Upsells
Upcharge Fees & Product Addons
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Kaching and Upcharge Fees & Product Addons to find the best fit for your store.
Key Features
- Unlimited product bundles and quantity breaks
- BOGO and volume discount offers
- Frequently bought together recommendations
- Post-purchase upsell funnels
- A/B testing for bundle strategies
- No coding required setup
- Multi-language and multi-currency support
- Compatible with all Shopify themes
Verdict on Kaching
Kaching Bundles is one of the highest-rated bundle apps on Shopify with nearly 4,000 five-star reviews. Its strength lies in combining bundles, quantity breaks, and upsells in a single app with a generous free tier for development stores.
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
Kaching vs Addons — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Kaching and Upcharge Fees & Product Addons differ — so you can make an informed decision for your Shopify store.
| Feature | Kaching Bundles | Upcharge Fees & |
|---|---|---|
| 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.
Kaching Bundles App & Upsells
- Checkout
- Shopify POS
- Shopify Admin
- EComposer & Foxify
- Hydrogen & 2048 Variants
- Instant
- Kaching Cart & Subscriptions
- PageFly & GemPages
Supported Languages
English, German, Italian, French, Dutch, Swedish, Spanish
Upcharge Fees & Product Addons
- Checkout
- Shopify POS
- Shopify Admin
Supported Languages
English