Shopify App Comparison 2026

Sumi: Full Page Bundle Builder

5.07 reviews
VS

Pro:Warning Product Alerts

5.06 reviews

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

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

View Full Details

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.

Built for Shopify

Display custom warning notifications on product pages for age verification, shipping delays, and terms.

View Full Details

Key Features

  • Unlimited warning messages for selected products or variants
  • Custom warning icons or upload your own
  • Geolocation targeting to display warnings for specific regions
  • Multiple alerts per product or variant
  • Auto-save warning consent date/time in order details

Verdict on Pro:Warning

Pro:Warning is a Built for Shopify certified tool for compliance and customer communication. The geolocation targeting is useful for stores selling regulated products across regions. At $7.99/month with 5.0 stars, it is affordable and well-reviewed. Essential for stores needing age verification or shipping disclaimers.

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 show different warnings by country?

Yes, Pro:Warning includes geolocation targeting that lets you display specific warning messages only to visitors from certain countries or regions.