Shopify App Comparison 2026
FBP | Fast Bundle Product
SwiftBundle — Bundles & Kits
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FBP and SwiftBundle 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.
Sell unlimited fixed or mix-and-match bundles with tiered BXGY discounts, custom pricing, live cart previews & customizable theme sections.
View Full DetailsKey Features
- Unlimited fixed and mix-and-match bundle creation with custom pricing
- Tiered BXGY discounts and volume discount configurations
- Real-time inventory synchronization with live cart previews
- Fully customizable BYOB landing pages with sticky cart summary
- Compatible with all Online Store 2.0 themes including Motion and Dawn
Verdict on SwiftBundle
SwiftBundle is a compelling free option with a Built for Shopify badge — a rare combination. The unlimited bundle creation with real-time inventory sync and live cart previews puts it on par with paid competitors. It is still very new, but the quality indicators (Built for Shopify badge, OS 2.0 compatibility, checkout extensions) suggest serious development quality. Worth installing to test alongside your current bundle solution.
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.
Is SwiftBundle really free?
Yes, SwiftBundle is completely free with unlimited bundle creation. There are no paid plans, revenue caps, or hidden fees.
Does it work with my theme?
SwiftBundle is compatible with all Online Store 2.0 themes including Motion, Dawn, and legacy themes. It also works with currency converter apps.
Can I place bundles on any page?
Yes, bundles can be placed on homepages, product pages, or cart pages. The customizable BYOB landing pages can also serve as standalone bundle pages.