Shopify App Comparison 2026
BST Frequently Bought Together vs FBP | Fast Bundle Product: Shopify App Comparison (2026)
BST Frequently Bought Together
FBP | Fast Bundle Product
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and FBP | Fast Bundle Product 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.
View Full DetailsKey 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.
Build product bundles quickly with mix-and-match, volume discounts, and frequently bought together offers.
View Full DetailsKey Features
- Multiple bundle types including fixed, mix-and-match, frequently bought together, and subscription bundles
- Real-time inventory sync ensuring bundles never oversell individual products
- Customizable bundle widget with drag-and-drop layout builder
- Subscription bundle support for recurring revenue streams
- Seamless integration with Shopify checkout and discount system
Verdict on FBP
Fast Bundle earns its perfect 5.0 rating by delivering a polished, fast, and reliable bundling experience. Its inventory sync feature is a standout, preventing the overselling issues that plague some competing apps. The subscription bundle capability on the Growth plan also makes it a strong choice for stores building recurring revenue. If you need a versatile, well-built bundle app, Fast Bundle belongs on your shortlist.
BST vs Product — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where BST and FBP | Fast Bundle Product differ — so you can make an informed decision for your Shopify store.
| Feature | BST Frequently | FBP | Fast |
|---|---|---|
| Product bundles | ||
| Quantity breaks | ||
| BOGO offers | ||
| Free gift | ||
| Post-purchase upsell | ||
| Cart drawer upsell | ||
| Frequently bought together | ||
| Real inventory sync | ||
| A/B testing | ||
| Built for Shopify | ||
| Free plan available | ||
| Custom branding |
Integration & Compatibility Comparison
App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.
BST Frequently Bought Together
- Checkout
- Shopify Admin
- Monster Cart Upsells
Supported Languages
English, French
FBP | Fast Bundle Product
- Checkout
- Shopify POS
- Shopify Admin
- GemPages Landing Page Builder
- PageFly Landing Page Builder
- Point of sale (POS)
- Recurpay Subscription App
- Subi Subscriptions App
Supported Languages
English, Spanish, French, German, Portuguese (Brazil), Italian, Turkish, Swedish, Dutch, Danish
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 Fast Bundle sync with Shopify inventory?
Yes, Fast Bundle includes real-time inventory synchronization that tracks individual product stock levels within bundles. When a component product sells out, the bundle is automatically marked as unavailable, preventing overselling.
Can I create subscription bundles?
Yes, the Growth plan at $19.99/month supports subscription bundles. Customers can subscribe to receive a bundle on a recurring basis, helping you build predictable recurring revenue.
What types of bundles can I create?
Fast Bundle supports fixed bundles, mix-and-match bundles, frequently bought together offers, volume discount bundles, and subscription bundles. The Starter plan unlocks most bundle types, with subscription bundles available on the Growth plan.