Shopify App Comparison 2026
Advanced Bundle Builder | PBC vs XB: Free Gifts & Buy X Get Y: Shopify App Comparison (2026)
Advanced Bundle Builder | PBC
XB: Free Gifts & Buy X Get Y
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Advanced and XB: Free Gifts & Buy X Get Y to find the best fit for your store.
Increase AOV with custom gift boxes, mix-and-match bundles, and volume discounts.
View Full DetailsKey Features
- Customize design and layout to match your brand aesthetic
- Display bundles on dedicated pages or embed on product/collection pages
- Single and multiple SKU support with automatic inventory tracking
- Mix-and-match, custom bundles, and gift boxes in one platform
- Fixed, flat, and tiered discounts with conditional logic
Verdict on Advanced
Advanced Bundle Builder by Polar Bear Commerce offers solid bundle building with Built for Shopify certification at a competitive $9.99/month. The personal account manager is a nice touch for setup assistance. At 4.6 stars with 17 reviews, it is still growing but the conditional logic and multi-layout support make it a capable option.
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.
Advanced vs Y — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Advanced and XB: Free Gifts & Buy X Get Y differ — so you can make an informed decision for your Shopify store.
| Feature | Advanced Bundle | XB: Free Gifts |
|---|---|---|
| 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.
Advanced Bundle Builder | PBC
- Checkout
- Shopify Admin
Supported Languages
English
XB: Free Gifts & Buy X Get Y
- Checkout
- Shopify Admin
Supported Languages
English
Frequently Asked Questions
Can I embed bundles on product pages?
Yes, you can display bundles on dedicated pages or embed them directly on product and collection pages for maximum visibility.
Does it track inventory automatically?
Yes, Advanced Bundle Builder supports both single and multiple SKU modes with automatic inventory tracking to prevent overselling.
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.