Key Features

• Offer Free Gift & BOGO deals within Quantity Bundle Breaks
• Bundle Offer Upsell Through Discount by Each Unit, Percentage, or Flat Discount
• Create Bundle Offers or Quantity Break for Specific Products or Collections
• Measure the positive impact Pumper Bundles make on store revenue with analytics
• Fully customizable bundle upsell and Quantity Breaks to match store theme
• Cart drawer integration showing savings and encouraging quantity increases

Verdict on Pumper

Pumper Bundles is the go-to app for stores that rely on quantity-based pricing, volume discounts, and bundle deals. With 2,700+ reviews and a 4.9 rating, it has proven itself at scale. The free plan with up to $300 in extra revenue makes it accessible to new stores, while the Unlimited plan caps costs for high-volume merchants. Where Pumper truly shines is its breadth of integrations — it works with nearly every major cart drawer and page builder on Shopify. The trade-off is that it focuses purely on bundles and discounts, so you'll need a separate app for cart drawer upsells or post-purchase funnels.

Key Features

• AI-powered bundle creation that analyzes sales data to suggest optimal product combinations
• Automatic A/B testing of bundle offers with real-time performance optimization
• Frequently bought together widget powered by machine learning algorithms
• Smart upsell pop-ups triggered by cart value, product type, and browsing behavior
• Detailed analytics dashboard tracking revenue uplift and conversion improvements

Verdict on AOV.ai

AOV.ai is the most technically advanced bundle and upsell app on this list, leveraging AI to take the manual work out of offer optimization. Its automatic A/B testing and machine learning recommendations genuinely improve over time, delivering measurable AOV increases. The pricing is higher than some alternatives, but the AI-driven approach can deliver superior ROI for stores with enough traffic to feed the algorithms.