Shopify App Comparison 2026
Sumi: Full Page Bundle Builder vs SwiftBundle — Bundles & Kits: Shopify App Comparison (2026)
Sumi: Full Page Bundle Builder
SwiftBundle — Bundles & Kits
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Sumi: and SwiftBundle 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 DetailsKey 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.
Sell unlimited fixed or mix-and-match bundles with tiered BXGY discounts, custom pricing, live cart previews & customizable theme sections.
View Full DetailsKey Features
- Unlimited fixed and mix-and-match bundle creation with custom pricing
- Tiered BXGY discounts and volume discount configurations
- Real-time inventory synchronization with live cart previews
- Fully customizable BYOB landing pages with sticky cart summary
- Compatible with all Online Store 2.0 themes including Motion and Dawn
Verdict on SwiftBundle
SwiftBundle is a compelling free option with a Built for Shopify badge — a rare combination. The unlimited bundle creation with real-time inventory sync and live cart previews puts it on par with paid competitors. It is still very new, but the quality indicators (Built for Shopify badge, OS 2.0 compatibility, checkout extensions) suggest serious development quality. Worth installing to test alongside your current bundle solution.
Sumi: vs SwiftBundle — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Sumi: and SwiftBundle differ — so you can make an informed decision for your Shopify store.
| Feature | Sumi: Full | SwiftBundle |
|---|---|---|
| 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.
Sumi: Full Page Bundle Builder
- Checkout
- Shopify Admin
Supported Languages
English
SwiftBundle — Bundles & Kits
- Checkout
- Shopify Admin
- Bundles Funnels
- Checkout
- Currency Converter
- Motion, Dawn, Online store 2.0
- Online Store 2.0
- Vintage & All themes supported
Supported Languages
English
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.
Is SwiftBundle really free?
Yes, SwiftBundle is completely free with unlimited bundle creation. There are no paid plans, revenue caps, or hidden fees.
Does it work with my theme?
SwiftBundle is compatible with all Online Store 2.0 themes including Motion, Dawn, and legacy themes. It also works with currency converter apps.
Can I place bundles on any page?
Yes, bundles can be placed on homepages, product pages, or cart pages. The customizable BYOB landing pages can also serve as standalone bundle pages.