Shopify App Comparison 2026

Ghost | AI Product Bundles

5.023 reviews
VS

Sumi: Full Page Bundle Builder

5.07 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Ghost and Sumi: Full Page Bundle Builder to find the best fit for your store.

Built for Shopify

Boost AOV with AI-powered bundles, quantity breaks, and volume discounts. Includes A/B testing and analytics dashboard.

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Key Features

  • AI-powered bundle creation from product selections or collections
  • A/B testing to optimize bundle configurations and pricing
  • Quantity breaks and volume discounts with flexible percentage or fixed pricing
  • Analytics dashboard tracking bundle revenue and performance metrics
  • Brand-aligned customization with color adjustments and design options

Verdict on Ghost

Ghost is the go-to choice for data-driven merchants who want to optimize bundles through A/B testing. The AI-powered suggestions and built-in testing framework set it apart from competitors that rely on manual configuration. The free plan includes A/B testing and analytics — features that other apps charge for. It is still a newer app, but the Built for Shopify badge and multi-language support signal serious quality.

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.

Frequently Asked Questions

How does the AI work?

Ghost AI analyzes your product catalog and customer behavior to suggest optimal bundle combinations. You can accept or modify suggestions and then A/B test different configurations to find the highest-converting setup.

Can I A/B test bundles for free?

Yes, A/B testing is included in the free plan along with the analytics dashboard. You can test different bundle configurations, pricing, and layouts to optimize conversion rates.

Does Ghost work with page builders?

Yes, Ghost integrates with GemPages, PageFly, and Instant page builders. Bundles can be embedded on any page built with these tools.

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.