Key Features

• Pre-purchase cross-sell offers shown on product pages as Amazon-style "frequently bought together" bundles
• Post-purchase one-click upsell page with dedicated thank-you page funnels
• Cart upsell funnel with add-ons and product recommendations based on cart contents
• Multi-language and multi-currency support for international stores
• Customizable widget styling that auto-matches your store theme with no code changes required

Verdict on Upsell

Selleasy is one of the most well-rounded upsell apps on Shopify, offering pre-purchase, in-cart, and post-purchase funnels in a single install. Its generous free tier makes it ideal for new stores, while the paid plans remain affordable even for high-volume merchants. The app is easy to set up and integrates cleanly with most themes, making it a strong default choice for any store looking to grow AOV.

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.