Shopify App Comparison 2026

Ghost | AI Product Bundles

5.023 reviews
VS

BST Frequently Bought Together

5.070 reviews

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

Built for Shopify

Boost AOV with AI-powered bundles, quantity breaks, and volume discounts. Includes A/B testing and analytics dashboard.

View Full Details

Key Features

  • AI-powered bundle creation from product selections or collections
  • A/B testing to optimize bundle configurations and pricing
  • Quantity breaks and volume discounts with flexible percentage or fixed pricing
  • Analytics dashboard tracking bundle revenue and performance metrics
  • Brand-aligned customization with color adjustments and design options

Verdict on Ghost

Ghost is the go-to choice for data-driven merchants who want to optimize bundles through A/B testing. The AI-powered suggestions and built-in testing framework set it apart from competitors that rely on manual configuration. The free plan includes A/B testing and analytics — features that other apps charge for. It is still a newer app, but the Built for Shopify badge and multi-language support signal serious quality.

Maximize revenue with AI-powered frequently bought together cross-sell bundles. Amazon-style design, mobile-first, with advanced analytics.

View Full Details

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

How does the AI work?

Ghost AI analyzes your product catalog and customer behavior to suggest optimal bundle combinations. You can accept or modify suggestions and then A/B test different configurations to find the highest-converting setup.

Can I A/B test bundles for free?

Yes, A/B testing is included in the free plan along with the analytics dashboard. You can test different bundle configurations, pricing, and layouts to optimize conversion rates.

Does Ghost work with page builders?

Yes, Ghost integrates with GemPages, PageFly, and Instant page builders. Bundles can be embedded on any page built with these tools.

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.