Shopify App Comparison 2026
FBP | Fast Bundle Product
Ghost | AI Product Bundles
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FBP and Ghost | AI Product Bundles to find the best fit for your store.
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.
Boost AOV with AI-powered bundles, quantity breaks, and volume discounts. Includes A/B testing and analytics dashboard.
View Full DetailsKey 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.
Frequently Asked Questions
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.
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.