Shopify App Comparison 2026
ABU AI: Upselling & Crosselling vs BST Frequently Bought Together: Shopify App Comparison (2026)
ABU AI: Upselling & Crosselling
BST Frequently Bought Together
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for ABU and BST Frequently Bought Together to find the best fit for your store.
AI-powered upselling and cross-selling add-ons to increase average order value.
View Full DetailsKey Features
- Smart product recommendations based on purchasing behavior
- Automatic bundles and discounts to increase cart value
- Manual control of recommendations by product, collection, or tag
- Discount configuration for product bundle purchases
- Easy integration into product pages, cart, and checkout
Verdict on ABU
ABU AI is a bilingual Spanish/English upsell tool targeting Latin American markets. The AI-powered recommendations are a good concept, but with only 1 review it is unproven. The free plan is extremely limited at 1 order/month. Best for Spanish-speaking store owners who want native-language support.
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.
ABU vs Together — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where ABU and BST Frequently Bought Together differ — so you can make an informed decision for your Shopify store.
| Feature | ABU AI: | BST Frequently Bought |
|---|---|---|
| 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.
ABU AI: Upselling & Crosselling
- Checkout
- Shopify Admin
Supported Languages
Spanish, English
BST Frequently Bought Together
- Checkout
- Shopify Admin
- Monster Cart Upsells
Supported Languages
English, French
Frequently Asked Questions
Does ABU AI work in Spanish?
Yes, ABU AI fully supports both Spanish and English, making it ideal for Latin American and Spanish-speaking markets.
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.