Shopify App Comparison 2026

Kaching Post Purchase Upsell

5.0222 reviews
VS

Upsell & Cross Sell — Selleasy

4.92,250 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Kaching and Upsell & Cross Sell 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

Boost AOV with one-click upsell and cross-sell offers displayed before and after purchase.

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Key Features

  • Pre-purchase cross-sell offers shown on product pages as Amazon-style "frequently bought together" bundles
  • Post-purchase one-click upsell page with dedicated thank-you page funnels
  • Cart upsell funnel with add-ons and product recommendations based on cart contents
  • Multi-language and multi-currency support for international stores
  • Customizable widget styling that auto-matches your store theme with no code changes required

Verdict on Upsell

Selleasy is one of the most well-rounded upsell apps on Shopify, offering pre-purchase, in-cart, and post-purchase funnels in a single install. Its generous free tier makes it ideal for new stores, while the paid plans remain affordable even for high-volume merchants. The app is easy to set up and integrates cleanly with most themes, making it a strong default choice for any store looking to grow AOV.

Kaching vs Sell — Side-by-Side Feature Comparison

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

FeatureKaching PostUpsell & Cross
Slide Cart Drawer
In-Cart Upsells
Cross-Sell Recommendations
Post-Purchase Upsell
Product Page Upsell
Frequently Bought Together
Free Gifts with Purchase
BOGO Offers
Free Shipping Progress Bar
Tiered Rewards
Countdown Timer
Sticky Add to Cart
Announcement Bar
Trust Badges
Discount Code in Cart
Volume Discounts
Shipping Protection
AI Recommendations
A/B Testing
Thank You Page Upsell
Checkout Upsell (Plus)
Cart Analytics
Multi-Language
Multi-Currency
Custom CSS/HTML
Free Plan
Mobile Responsive

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 Post Purchase Upsell

Built for Shopify

    Supported Languages

    English

    Upsell & Cross Sell — Selleasy

    Built for Shopify
    • Shopify Checkout
    • Customer Accounts
    • Shopify Admin
    • AppHQ Slide Cart
    • Conversion Bear
    • Geolocation
    • LogBase Store Pickup
    • PageFly
    • Online Store 2.0 Themes

    Supported Languages

    English, German, French, Spanish, Dutch, Portuguese (Brazil), Chinese (Simplified)

    Frequently Asked Questions

    Is Selleasy free to use?

    Yes, Selleasy offers a fully featured free plan for stores processing up to 50 orders per month. All upsell and cross-sell features are included at every tier, with paid plans starting at $8.99/month for higher order volumes.

    Does Selleasy work with my Shopify theme?

    Selleasy is designed to work with all Shopify themes, including Online Store 2.0 themes. The widgets automatically match your store styling, and you can further customize colors, fonts, and layout through the app settings.

    Can I show upsell offers after checkout?

    Yes, Selleasy supports post-purchase one-click upsell pages that appear after payment but before the thank-you page. Customers can accept additional offers without re-entering payment details.