Shopify App Comparison 2026

XB: Free Gifts & Buy X Get Y

5.04 reviews
VS

ZenBox: Bundle Builder

4.0119 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for XB: and ZenBox: Bundle Builder to find the best fit for your store.

Built for Shopify

Create bundles with Buy X Get Y, free gifts, BOGO deals, and auto-applied discounts. Zero-coding setup with customizable templates.

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Key Features

  • Auto-add free gifts to cart when promotion conditions are met
  • Buy X Get Y and BOGO deal configuration with flexible rules
  • Auto-apply discount codes for seamless customer experience
  • Multiple customizable layout templates matching store branding
  • Bundle discounts for increased cart value with zero-coding setup

Verdict on XB:

XB is a simple, free, and Built for Shopify-certified app for stores that just want BOGO and free gift promotions without complexity. With only 4 reviews it is very early stage, but the Built for Shopify badge and completely free pricing make it zero-risk to try. Best for merchants who want a lightweight promotion tool rather than a full bundle builder.

Increase AOV by letting customers create custom bundles with flexible pricing and discounts.

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Key Features

  • Adjustable pricing and discount structures for bundles
  • Customer filtering by product titles in each builder step
  • Layered discounts compatible with other Shopify discounts
  • Two customizable builder layouts with infinite styling options
  • Forms for text input and image uploads for personalization

Verdict on ZenBox:

ZenBox has 119 reviews, making it one of the more established bundle builders. The 4.0 rating is average but reflects honest feedback across a large user base. The image upload and text input features are useful for personalized gift boxes. At $24.99/month with no free plan, it requires commitment.

Frequently Asked Questions

Is XB free?

Yes, XB is completely free with all features included. There are no paid plans or hidden costs.

How do auto-add free gifts work?

When a customer meets the promotion conditions (e.g., buys Product A), the free gift is automatically added to their cart without any action required from the customer.

Can customers upload images for gift boxes?

Yes, ZenBox supports custom forms with text input and image uploads, making it ideal for personalized gift box builders.

Do bundle discounts stack with Shopify discounts?

Yes, ZenBox creates layered discounts that are compatible with other Shopify discounts, so they can stack.