Shopify App Comparison 2026

BST Frequently Bought Together

5.070 reviews
VS

promBundle - Bundle Discounts

5.02 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and promBundle - Bundle Discounts 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.

Boost sales with BOGO, mix-and-match, quantity breaks, volume discounts, and promotional banners with countdown timers.

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Key Features

  • Multiple bundle types: BOGO, mix-and-match, volume discount, quantity breaks
  • Promotional banners, discount badges, and countdown timers
  • AI analysis, reports, and discount planning
  • Automatic multi-language translation
  • Ready templates and store display widgets

Verdict on promBundle

promBundle packs a lot of bundle types and promotional features into one app. The free plan with $400/month in bundle sales is a great way to test. AI-powered reports and auto-translation are nice touches. Only 2 reviews so very early, but the feature breadth is impressive for the price.

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.

What does the revenue cap mean?

Each plan has a maximum monthly bundle revenue limit. The Free plan allows up to $400/month in bundle-attributed sales, while the Ultimate plan allows up to $20,000/month.