Shopify App Comparison 2026

BST Frequently Bought Together

5.070 reviews
VS

Smart Checkout Widgets

5.04 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and Smart Checkout Widgets 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.

Built for Shopify

Personalize upsells, gifting, and custom content at checkout to increase AOV.

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Key Features

  • Smart Gifts/BOGO and automatic stackable discounts
  • Checkout UX widgets and custom banners
  • Social proof and shipping/payment reorder options
  • Custom form fields for checkout
  • Thank You and Order Status page support

Verdict on Smart

Smart Checkout Widgets is a Built for Shopify checkout customization tool that adds gifting, upsells, and custom content directly in the checkout flow. The free-to-install starter plan with 100 orders/month is great for testing. Only 4 reviews but the 5.0 rating and Shopify certification are promising.

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.

Does this work with all Shopify plans?

Some checkout customization features may require Shopify Plus. Check the specific widget capabilities for your plan level.