Shopify App Comparison 2026
Upsell & Cross Sell — Selleasy
XB: Free Gifts & Buy X Get Y
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Upsell and XB: Free Gifts & Buy X Get Y to find the best fit for your store.
Boost AOV with one-click upsell and cross-sell offers displayed before and after purchase.
View Full DetailsKey Features
- Pre-purchase cross-sell offers shown on product pages as Amazon-style "frequently bought together" bundles
- Post-purchase one-click upsell page with dedicated thank-you page funnels
- Cart upsell funnel with add-ons and product recommendations based on cart contents
- Multi-language and multi-currency support for international stores
- Customizable widget styling that auto-matches your store theme with no code changes required
Verdict on Upsell
Selleasy is one of the most well-rounded upsell apps on Shopify, offering pre-purchase, in-cart, and post-purchase funnels in a single install. Its generous free tier makes it ideal for new stores, while the paid plans remain affordable even for high-volume merchants. The app is easy to set up and integrates cleanly with most themes, making it a strong default choice for any store looking to grow AOV.
Create bundles with Buy X Get Y, free gifts, BOGO deals, and auto-applied discounts. Zero-coding setup with customizable templates.
View Full DetailsKey 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.
Upsell vs Y — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Upsell and XB: Free Gifts & Buy X Get Y differ — so you can make an informed decision for your Shopify store.
| Feature | Upsell & | XB: Free Gifts |
|---|---|---|
| Slide Cart Drawer | ||
| In-Cart Upsells | ||
| Cross-Sell Recommendations | ||
| Post-Purchase Upsell | ||
| Product Page Upsell | ||
| Frequently Bought Together | ||
| Free Gifts with Purchase | ||
| BOGO Offers | ||
| Free Shipping Progress Bar | ||
| Tiered Rewards | ||
| Countdown Timer | ||
| Sticky Add to Cart | ||
| Announcement Bar | ||
| Trust Badges | ||
| Discount Code in Cart | ||
| Volume Discounts | ||
| Shipping Protection | ||
| AI Recommendations | ||
| A/B Testing | ||
| Thank You Page Upsell | ||
| Checkout Upsell (Plus) | ||
| Cart Analytics | ||
| Multi-Language | ||
| Multi-Currency | ||
| Custom CSS/HTML | ||
| Free Plan | ||
| Mobile Responsive |
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.
Upsell & Cross Sell — Selleasy
- Shopify Checkout
- Customer Accounts
- Shopify Admin
- AppHQ Slide Cart
- Conversion Bear
- Geolocation
- LogBase Store Pickup
- PageFly
- Online Store 2.0 Themes
Supported Languages
English, German, French, Spanish, Dutch, Portuguese (Brazil), Chinese (Simplified)
XB: Free Gifts & Buy X Get Y
Supported Languages
English
Frequently Asked Questions
Is Selleasy free to use?
Yes, Selleasy offers a fully featured free plan for stores processing up to 50 orders per month. All upsell and cross-sell features are included at every tier, with paid plans starting at $8.99/month for higher order volumes.
Does Selleasy work with my Shopify theme?
Selleasy is designed to work with all Shopify themes, including Online Store 2.0 themes. The widgets automatically match your store styling, and you can further customize colors, fonts, and layout through the app settings.
Can I show upsell offers after checkout?
Yes, Selleasy supports post-purchase one-click upsell pages that appear after payment but before the thank-you page. Customers can accept additional offers without re-entering payment details.
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.