Shopify App Comparison 2026

FoxKit AIO Upsell Cross-sell

4.9370 reviews
VS

BST Frequently Bought Together

5.070 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FoxKit and BST Frequently Bought Together to find the best fit for your store.

All-in-one upsell and cross-sell toolkit with bundles, volume discounts, countdown timers, and more.

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Key Features

  • All-in-one toolkit combining bundles, upsells, cross-sells, and sales-boosting widgets
  • Countdown timers, stock scarcity alerts, and social proof notifications to drive urgency
  • Volume discount and quantity break tables with customizable tier structures
  • In-page and pop-up cross-sell recommendations on product and cart pages
  • Lightweight codebase that minimizes impact on store loading speed despite feature breadth

Verdict on FoxKit

FoxKit is the Swiss Army knife of Shopify upsell apps. If you want to avoid installing separate apps for bundles, countdown timers, stock alerts, and social proof, FoxKit consolidates everything into one clean package. The trade-off is that individual features may not be as deep as specialized apps, but for most stores the breadth and convenience far outweigh that limitation. It is an excellent choice for merchants who value simplicity and speed.

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.

Frequently Asked Questions

Can FoxKit replace multiple apps on my store?

Yes, FoxKit is designed to replace separate apps for bundles, countdown timers, stock alerts, size charts, and social proof notifications. Most merchants can uninstall 2-4 apps after switching to FoxKit, improving store performance and reducing monthly costs.

Does FoxKit slow down my store?

No, FoxKit is built with a lightweight codebase that loads features asynchronously. Despite its wide feature set, the app has minimal impact on page speed, which is a key advantage over running multiple separate apps.

What are pop-up impressions?

Pop-up impressions are counted each time a FoxKit pop-up widget (such as a cross-sell offer, countdown timer, or stock alert) is displayed to a visitor. The free plan includes limited impressions, with higher tiers offering 30,000 to unlimited impressions per month.

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.