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

• Abandoned checkout recovery via WhatsApp messages
• Customer workflows for returns, feedback, and order updates
• WhatsApp-based remarketing and customer retention campaigns
• Interactive quiz and spin-the-wheel engagement tools
• AI chatbot trained on FAQs and store documents

Verdict on Irin

Irin AI is a WhatsApp marketing tool with AI chatbot capabilities. With zero reviews and starting at $29/month, it is completely unproven and expensive. The concept of WhatsApp-based customer engagement is sound but better-established alternatives like Interakt exist.