Shopify App Comparison 2026

ZenBox: Bundle Builder

4.0119 reviews
VS

SpurIT Upsell Email Marketing

4.510 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for ZenBox: and SpurIT Upsell Email Marketing to find the best fit for your store.

Increase AOV by letting customers create custom bundles with flexible pricing and discounts.

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Key Features

  • Adjustable pricing and discount structures for bundles
  • Customer filtering by product titles in each builder step
  • Layered discounts compatible with other Shopify discounts
  • Two customizable builder layouts with infinite styling options
  • Forms for text input and image uploads for personalization

Verdict on ZenBox:

ZenBox has 119 reviews, making it one of the more established bundle builders. The 4.0 rating is average but reflects honest feedback across a large user base. The image upload and text input features are useful for personalized gift boxes. At $24.99/month with no free plan, it requires commitment.

Automate upsell emails after purchase to drive repeat sales with minimal marketing effort.

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Key Features

  • Automatic upsell emails sent after purchase with relevant product suggestions
  • Purchase-based notifications targeting products related to previous orders
  • Instant statistics and reports to optimize email campaigns
  • Fully customizable email design and templates
  • Configurable time intervals between purchase and email delivery

Verdict on SpurIT

SpurIT is one of the oldest Shopify upsell apps (since 2013) and offers completely free post-purchase email upselling. The approach of sending targeted product suggestions after purchase is proven to drive repeat sales. At 4.5 stars with 10 reviews, it is solid if not spectacular. Great as a free addition to any upsell stack.

Frequently Asked Questions

Can customers upload images for gift boxes?

Yes, ZenBox supports custom forms with text input and image uploads, making it ideal for personalized gift box builders.

Do bundle discounts stack with Shopify discounts?

Yes, ZenBox creates layered discounts that are compatible with other Shopify discounts, so they can stack.

How does post-purchase email upselling work?

After a customer completes an order, the app automatically sends an email featuring products related to their purchase. You can set the timing (2 weeks, 1 month, etc.) to find the optimal delivery window.