Shopify App Comparison 2026
FBP | Fast Bundle Product
Today's Project: Buy Button
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FBP and Today's Project: Buy Button 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.
Display a sticky add-to-cart buy bar on product pages for faster purchasing and higher conversions.
View Full DetailsKey Features
- Sticky add-to-cart buy bar displayed across all product pages
- One-click checkout for a faster purchase experience
- Quantity selector for adding multiple items and increasing AOV
- Fully customizable design with no developer needed
- 100% compatible with Online Store 2.0 themes
Verdict on Today's
Today's Project: Buy Button is one of the most affordable conversion tools at just $3.95/month. The sticky buy bar keeps the purchase option visible as customers scroll, reducing friction. With 4.8 stars, 13 reviews, and 7+ years on the market, it is proven and reliable. Great value.
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.
Does the buy bar work on mobile?
Yes, the sticky buy bar is fully responsive and works on all devices. It is compatible with all Shopify Online Store 2.0 themes.