Shopify App Comparison 2026

Sumi: Full Page Bundle Builder

5.07 reviews
VS

HD - Product Addons

3.01 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Sumi: and HD - Product Addons to find the best fit for your store.

Let customers mix and match to build their own bundles and boxes with automatic inventory sync.

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Key Features

  • Flexible rules and discounts for custom bundle creation
  • Single or multiple step bundle builders
  • Automatic inventory sync with individual SKUs in orders
  • Design automatically matches your store theme
  • Fully optimized for mobile shopping experience

Verdict on Sumi:

Sumi is a clean, focused bundle builder with a perfect 5.0 rating. The auto-matching theme design and mobile optimization reduce setup friction. At $24/month with no free plan, it is priced for stores that are committed to bundling. Individual SKUs in orders simplify fulfillment.

Add gift wrap, warranties, and other product add-ons with an interactive slider on product pages.

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Key Features

  • Interactive addon slider on any product page
  • Custom add-ons like gift wrap, warranties, or personalized messages
  • Use existing store products as upsells in the slider
  • Info popups with extra details and images for each addon
  • Integrates with cart and Buy Now buttons for seamless checkout

Verdict on HD

HD Product Addons offers a unique slider-based add-on experience for product pages. The concept is good for gift wrap, warranties, and customization options. However, with 3.0 stars and only 1 review, it has concerning quality signals. The free plan with 10 revenue orders is very limited.

Frequently Asked Questions

Does Sumi track inventory for bundles?

Yes, inventory is automatically synced and individual product SKUs appear in orders, making fulfillment straightforward.

Does it match my store theme?

Yes, Sumi automatically matches your store theme styling so bundles look native to your store without manual design work.

Can I add gift wrapping as an add-on?

Yes, you can create custom add-ons like gift wrap, warranties, or personalized messages that appear in an interactive slider on your product pages.