Shopify App Comparison 2026

Advanced Bundle Builder | PBC

4.617 reviews
VS

Smart Checkout Widgets

5.04 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Advanced and Smart Checkout Widgets to find the best fit for your store.

Built for Shopify

Increase AOV with custom gift boxes, mix-and-match bundles, and volume discounts.

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Key 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.

Built for Shopify

Personalize upsells, gifting, and custom content at checkout to increase AOV.

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Key Features

  • Smart Gifts/BOGO and automatic stackable discounts
  • Checkout UX widgets and custom banners
  • Social proof and shipping/payment reorder options
  • Custom form fields for checkout
  • Thank You and Order Status page support

Verdict on Smart

Smart Checkout Widgets is a Built for Shopify checkout customization tool that adds gifting, upsells, and custom content directly in the checkout flow. The free-to-install starter plan with 100 orders/month is great for testing. Only 4 reviews but the 5.0 rating and Shopify certification are promising.

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.

Does this work with all Shopify plans?

Some checkout customization features may require Shopify Plus. Check the specific widget capabilities for your plan level.