Shopify App Comparison 2026
FBP | Fast Bundle Product
SpurIT Upsell Email Marketing
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for FBP and SpurIT Upsell Email Marketing 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.
Automate upsell emails after purchase to drive repeat sales with minimal marketing effort.
View Full DetailsKey Features
- Automatic upsell emails sent after purchase with relevant product suggestions
- Purchase-based notifications targeting products related to previous orders
- Instant statistics and reports to optimize email campaigns
- Fully customizable email design and templates
- Configurable time intervals between purchase and email delivery
Verdict on SpurIT
SpurIT is one of the oldest Shopify upsell apps (since 2013) and offers completely free post-purchase email upselling. The approach of sending targeted product suggestions after purchase is proven to drive repeat sales. At 4.5 stars with 10 reviews, it is solid if not spectacular. Great as a free addition to any upsell stack.
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 post-purchase email upselling work?
After a customer completes an order, the app automatically sends an email featuring products related to their purchase. You can set the timing (2 weeks, 1 month, etc.) to find the optimal delivery window.