Shopify App Comparison 2026
BST Frequently Bought Together
XB: Free Gifts & Buy X Get Y
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and XB: Free Gifts & Buy X Get Y 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 bundles with Buy X Get Y, free gifts, BOGO deals, and auto-applied discounts. Zero-coding setup with customizable templates.
View Full DetailsKey Features
- Auto-add free gifts to cart when promotion conditions are met
- Buy X Get Y and BOGO deal configuration with flexible rules
- Auto-apply discount codes for seamless customer experience
- Multiple customizable layout templates matching store branding
- Bundle discounts for increased cart value with zero-coding setup
Verdict on XB:
XB is a simple, free, and Built for Shopify-certified app for stores that just want BOGO and free gift promotions without complexity. With only 4 reviews it is very early stage, but the Built for Shopify badge and completely free pricing make it zero-risk to try. Best for merchants who want a lightweight promotion tool rather than a full bundle builder.
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.
Is XB free?
Yes, XB is completely free with all features included. There are no paid plans or hidden costs.
How do auto-add free gifts work?
When a customer meets the promotion conditions (e.g., buys Product A), the free gift is automatically added to their cart without any action required from the customer.