Shopify App Comparison 2026

Kaching Post Purchase Upsell vs Simple Bundles & Kits

Kaching Post Purchase Upsell

5.0240 reviews

Simple Bundles & Kits

4.8700 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Kaching and Simple Bundles & Kits to find the best fit for your store.

Built for Shopify

Personalized one click upsell, thank you page, checkout upsell.

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Key Features

One-click post-purchase upsell offers
Advanced targeting with minimum order value and UTM parameters
Customizable brand-matched offer presentation
AI-powered product recommendations
Frequently bought together suggestions
A/B testing capabilities
Detailed conversion analytics
Multi-language support

Verdict on Kaching

Kaching Post Purchase Upsell is an affordable and effective post-purchase upsell solution. Starting at just $4.99/month, it offers excellent value with advanced targeting and A/B testing capabilities.

Built for Shopify

Build mix match product bundle for 3PL fulfillment & inventory.

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Key Features

Multiple bundle types (fixed, mix-and-match, build-a-box)
Automatic SKU breakdown for 3PL fulfillment
Real-time inventory synchronization
AI-generated bundle suggestions from order history
Volume discounts and quantity breaks
BOGO and free gift functionality
Subscription bundle support
Shopify POS and ERP integration

Verdict on Simple

Simple Bundles is the go-to choice for merchants who need proper inventory sync and 3PL fulfillment with their bundles. Its automatic SKU breakdown sets it apart from other bundle apps that only handle the frontend.

Kaching vs Kits — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Kaching and Simple Bundles & Kits differ — so you can make an informed decision for your Shopify store.

Feature	Kaching Post	Simple Bundles &
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.