Shopify App Comparison 2026

XB: Free Gifts & Buy X Get Y

5.04 reviews
VS

SpurIT Upsell Email Marketing

4.510 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for XB: and SpurIT Upsell Email Marketing 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.

Automate upsell emails after purchase to drive repeat sales with minimal marketing effort.

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Key Features

  • Automatic upsell emails sent after purchase with relevant product suggestions
  • Purchase-based notifications targeting products related to previous orders
  • Instant statistics and reports to optimize email campaigns
  • Fully customizable email design and templates
  • Configurable time intervals between purchase and email delivery

Verdict on SpurIT

SpurIT is one of the oldest Shopify upsell apps (since 2013) and offers completely free post-purchase email upselling. The approach of sending targeted product suggestions after purchase is proven to drive repeat sales. At 4.5 stars with 10 reviews, it is solid if not spectacular. Great as a free addition to any upsell stack.

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.

How does post-purchase email upselling work?

After a customer completes an order, the app automatically sends an email featuring products related to their purchase. You can set the timing (2 weeks, 1 month, etc.) to find the optimal delivery window.