Shopify App Comparison 2026
Smart Checkout Widgets vs Sumi: Full Page Bundle Builder: Shopify App Comparison (2026)
Smart Checkout Widgets
Sumi: Full Page Bundle Builder
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Smart and Sumi: Full Page Bundle Builder to find the best fit for your store.
Personalize upsells, gifting, and custom content at checkout to increase AOV.
View Full DetailsKey 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.
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.
Smart vs Builder — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where Smart and Sumi: Full Page Bundle Builder differ — so you can make an informed decision for your Shopify store.
| Feature | Smart Checkout | Sumi: Full Page |
|---|---|---|
| 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.
Smart Checkout Widgets
- Checkout
- Customer accounts
- Shopify Admin
- App Blocks
- Checkout Extensibility
- Discounts
Supported Languages
English
Sumi: Full Page Bundle Builder
- Checkout
- Shopify Admin
Supported Languages
English
Frequently Asked Questions
Does this work with all Shopify plans?
Some checkout customization features may require Shopify Plus. Check the specific widget capabilities for your plan level.
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.