Shopify App Comparison 2026

XB: Free Gifts & Buy X Get Y vs Zapio: Cross Sell & Upsell App: Shopify App Comparison (2026)

XB: Free Gifts & Buy X Get Y

5.05 reviews
VS

Zapio: Cross Sell & Upsell App

5.012 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for XB: and Zapio: Cross Sell & Upsell App 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 AOV with upsell, cross-sell, BOGO, BXGY, free gifts, frequently bought together, progress bar rewards & free shipping automation.

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Key Features

  • Upsell, cross-sell, BOGO, BXGY, and frequently bought together in one app
  • Progress bar with milestone rewards encouraging higher cart values
  • Automatic free gift insertion and free shipping automation
  • Custom rules, scheduling, and market targeting with multi-currency support
  • Real-time analytics tracking promotion performance

Verdict on Zapio:

Zapio is a remarkable completely-free upsell app that includes features other apps charge $20-40/month for. The progress bar and milestone rewards system is a standout feature that drives spending increases. It is still very new with only 9 reviews, so reliability over time is unproven, but the feature set is genuine and the zero-cost entry makes it risk-free to try. A strong option for budget-conscious merchants.

XB: vs App — Side-by-Side Feature Comparison

Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where XB: and Zapio: Cross Sell & Upsell App differ — so you can make an informed decision for your Shopify store.

FeatureXB: FreeZapio: Cross Sell
Product bundles
Quantity breaks
BOGO offers
Free gift
Post-purchase upsell
Cart drawer upsell
Frequently bought together
Real inventory sync
A/B testing
Built for Shopify
Free plan available
Custom branding

Integration & Compatibility Comparison

App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.

XB: Free Gifts & Buy X Get Y

Built for Shopify
  • Checkout
  • Shopify Admin

Supported Languages

English

Zapio: Cross Sell & Upsell App

  • Checkout
  • Shopify Admin

Supported Languages

English

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.

Is Zapio really free?

Yes, Zapio is completely free with all features included. There are no paid plans, hidden fees, or revenue caps. All upsell, cross-sell, BOGO, and analytics features are available at no cost.

What is the progress bar feature?

The progress bar shows customers how close they are to unlocking rewards like free shipping or free gifts. As items are added to cart, the bar fills up, motivating customers to reach the next milestone.

Does it support multiple currencies?

Yes, Zapio includes multi-currency support so your upsell offers and free shipping thresholds display correctly for international customers.