Shopify App Comparison 2026

BST Frequently Bought Together

5.070 reviews
VS

Boomerang Bounce Back

4.89 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and Boomerang Bounce Back 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.

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Key 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.

Recover lost sales by redirecting bouncing visitors to a special landing page before they leave.

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Key Features

  • Automatically detect when visitors are about to leave your store
  • Redirect leaving visitors to landing pages with special deals
  • Quick setup in minutes with no coding required
  • Optimized landing pages available upon request
  • Works automatically in the background after setup

Verdict on Boomerang

Boomerang takes a unique approach to conversion — intercepting bouncing visitors and redirecting them to a targeted offer. The concept is sound but at $29-$199/month with only 9 reviews, it is expensive and unproven. The 30-day free trial reduces risk.

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 is this different from exit-intent popups?

Instead of showing a popup, Boomerang actually redirects the visitor to a full landing page with targeted offers, giving you more space and flexibility to recapture their attention.