Shopify App Comparison 2026
BST Frequently Bought Together vs Kaching Bundles App & Upsells: Shopify App Comparison (2026)
BST Frequently Bought Together
Kaching Bundles App & Upsells
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and Kaching Bundles App & Upsells to find the best fit for your store.
Maximize revenue with AI-powered frequently bought together cross-sell bundles. Amazon-style design, mobile-first, with advanced analytics.
View Full DetailsKey Features
- AI-powered product recommendations based on consumer purchase behavior
- Amazon-style "frequently bought together" widget design
- Mobile-first, fully customizable widget compatible with most themes
- Bundle discount options with percentage or fixed amount configurations
- In-depth analytics dashboard tracking clicks, conversions, and revenue
Verdict on BST
BST is the best option if your primary cross-sell strategy is Amazon-style "frequently bought together" recommendations. The AI-powered suggestions are genuinely smart, and the mobile-first design ensures bundles look great on every device. The free plan is limited to 1 manual bundle, but the Core plan unlocks AI recommendations at a fair price. If you want focused cross-sell rather than a full bundle builder, BST delivers.
Create product bundles and upsell offers to boost revenue with an easy one-click setup.
View Full DetailsKey Features
- One-click bundle setup that gets offers live on your store in under a minute
- AI-powered product recommendations that suggest optimal bundle combinations
- BOGO (Buy One Get One) deals with flexible discount structures
- Advanced bundle analytics with revenue attribution and conversion tracking
- Seamless integration with all Shopify themes including headless setups
Verdict on Kaching
Kaching Bundles stands out for its exceptional ease of use and perfect 5.0 rating across nearly 4,000 reviews, which is rare in the Shopify ecosystem. The app gets merchants from install to live bundles faster than almost any competitor. While it may lack some of the deeper funnel features of apps like Selleasy, its simplicity and reliability make it a top pick for merchants who want quick results.
BST vs Upsells — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where BST and Kaching Bundles App & Upsells differ — so you can make an informed decision for your Shopify store.
| Feature | BST Frequently | Kaching Bundles App |
|---|---|---|
| Product bundles | ||
| Quantity breaks | ||
| BOGO offers | ||
| Free gift | ||
| Post-purchase upsell | ||
| Cart drawer upsell | ||
| Frequently bought together | ||
| Real inventory sync | ||
| A/B testing | ||
| 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.
BST Frequently Bought Together
- Checkout
- Shopify Admin
- Monster Cart Upsells
Supported Languages
English, French
Kaching Bundles App & Upsells
- Checkout
- Shopify POS
- Shopify Admin
- EComposer & Foxify
- Hydrogen & 2048 Variants
- Instant
- Kaching Cart & Subscriptions
- PageFly & GemPages
Supported Languages
English, French, German, Spanish, Italian, Dutch, Swedish, Turkish, Portuguese (Brazil)
Frequently Asked Questions
How does the AI recommendation work?
BST analyzes your store's purchase history to identify products frequently bought together. The AI then automatically suggests these pairings on product pages, improving over time as more purchase data is collected.
Can I place bundles sitewide?
Sitewide placement is available on the Pro plan. The Free and Core plans support placement on specific product pages and collection pages.
Does it work on mobile?
Yes, BST is built mobile-first. The widget automatically adapts to screen size and is designed to look great on phones, tablets, and desktops.
How quickly can I set up a bundle with Kaching?
Kaching is designed for speed. Most merchants can create and publish their first bundle in under a minute using the one-click setup wizard. The app automatically detects your theme and places widgets accordingly.
Does Kaching support AI recommendations?
Yes, on the Advanced plan Kaching offers AI-powered bundle recommendations that analyze your product catalog and sales data to suggest optimal product pairings that maximize conversion rates.
Is there a free trial available?
Kaching offers a free plan for Shopify development stores that includes all premium features. For live stores, you can start with the Basic plan at $3.99/month with no long-term commitment required.