Shopify App Comparison 2026

SwiftBundle — Bundles & Kits

5.09 reviews
VS

Gro One Click Upsell Funnels

5.08 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for SwiftBundle and Gro One Click Upsell Funnels to find the best fit for your store.

Built for Shopify

Sell unlimited fixed or mix-and-match bundles with tiered BXGY discounts, custom pricing, live cart previews & customizable theme sections.

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Key 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.

Post-checkout one-click upsell funnels that boost AOV without risking cart abandonment.

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Key Features

  • Post-checkout upsell with single-click purchase — no re-entering payment
  • Maximize AOV with funnels showing secondary upsells or downsells
  • AI-powered setup working out-of-box for all catalogs
  • Customizable funnels based on your own rules
  • Mobile-optimized upsell offers

Verdict on Gro

Gro is a completely free post-purchase upsell tool with AI-powered funnels and downsell support. The post-checkout approach eliminates cart abandonment risk. With 5.0 stars and 8 reviews, early users love it. The zero-cost model makes it a no-brainer to test for any store.

Frequently Asked Questions

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.

How does post-checkout upsell work?

After a customer completes payment, an upsell offer appears. Since payment info is already on file, they can accept with one click without re-entering card details. This eliminates abandonment risk.