Shopify App Comparison 2026

XB: Free Gifts & Buy X Get Y

5.04 reviews
VS

promBundle - Bundle Discounts

5.02 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for XB: and promBundle - Bundle Discounts 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.

Boost sales with BOGO, mix-and-match, quantity breaks, volume discounts, and promotional banners with countdown timers.

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Key Features

  • Multiple bundle types: BOGO, mix-and-match, volume discount, quantity breaks
  • Promotional banners, discount badges, and countdown timers
  • AI analysis, reports, and discount planning
  • Automatic multi-language translation
  • Ready templates and store display widgets

Verdict on promBundle

promBundle packs a lot of bundle types and promotional features into one app. The free plan with $400/month in bundle sales is a great way to test. AI-powered reports and auto-translation are nice touches. Only 2 reviews so very early, but the feature breadth is impressive for the price.

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.

What does the revenue cap mean?

Each plan has a maximum monthly bundle revenue limit. The Free plan allows up to $400/month in bundle-attributed sales, while the Ultimate plan allows up to $20,000/month.