Shopify App Comparison 2026

Sumi: Full Page Bundle Builder

5.07 reviews
VS

DealTogether

5.01 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Sumi: and DealTogether 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.

Group buying where discounts increase as more people join the deal.

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Key Features

  • Group deals with tiered pricing that improves as more buyers join
  • Widget automatically appears on relevant product pages
  • Email verification flow for building marketing lists
  • Social sharing button for organic viral growth
  • Real-time progress tracking for deal momentum

Verdict on DealTogether

DealTogether is a free group buying tool that creates viral deal momentum. The concept of increasing discounts as more people join is compelling for product launches and inventory clearance. Only 1 review so far, but zero-risk to try.

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.

How does group pricing work?

You set tiered pricing (e.g., 5 buyers = $99, 10 buyers = $79, 15 buyers = $59). As more people commit, the price drops for everyone. Customers see real-time progress and are motivated to share.