Shopify App Comparison 2026
Moon Bundles CartDrawer Upsell
VQB: AI Product Quiz Builder
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for Moon and VQB: AI Product Quiz Builder to find the best fit for your store.
Create irresistible bundles, cart upsell, free gifts, BOGOs. Increase AOV with quantity breaks, volume discounts, cart drawer & post purchase upsell.
View Full DetailsKey Features
- Product bundles and free gifts with mix-and-match options and auto-applied bundle logic
- Cart drawer and cart upsell functionality that works across all themes and third-party apps
- Post-purchase upsells and customizable thank-you page offers
- Volume discounts, quantity breaks, and BOGO deal builder
- Bundle builder with fully customizable styling and layout options
Verdict on Moon
Moon Bundles is one of the best-value bundle apps on Shopify, combining bundles, cart drawer upsells, post-purchase offers, and volume discounts into a single install. The generous free tier and Built for Shopify badge make it a safe bet for any merchant. Its multi-language support and theme-wide compatibility stand out among competitors. The revenue cap pricing model is transparent — you only upgrade when your bundles are actually making money.
Build product recommendation quizzes to boost conversions, collect zero-party data, and personalize marketing.
View Full DetailsKey Features
- Product, variant, or regimen recommendations via AI or manual tagging
- Dynamic result pages with custom messaging and redirects
- Integrations with Klaviyo, Recharge, Omnisend, Zapier, Google Analytics, Facebook Pixel
- Page, embedded, and pop-up quiz formats with conditional logic
- Support for 23 languages including Arabic, Dutch, French, German, Japanese
Verdict on VQB:
VQB is the best quiz-based product recommendation tool in the Shopify ecosystem. With 4.9 stars across 88 reviews and a Built for Shopify badge, it is proven and reliable. The quiz approach works especially well for stores with complex catalogs where customers need guidance. The Klaviyo and Omnisend integrations make zero-party data actionable.
Frequently Asked Questions
What is a revenue cap?
The revenue cap is the maximum amount of bundle revenue your store can generate per month on each plan. The free Discovery plan caps at $500, Essential at $2,000, Pro at $10,000, and Premium is unlimited. Revenue beyond the cap requires upgrading.
Does Moon Bundles work with my theme?
Yes, Moon Bundles is designed for theme-wide compatibility and works with all Shopify themes including Online Store 2.0. The cart drawer also integrates with third-party apps and custom theme modifications.
Can I create BOGO deals?
Yes, Moon Bundles supports Buy One Get One deals, Buy X Get Y promotions, quantity breaks, and progressive free gifts. All can be configured from the bundle builder dashboard.
How does the quiz recommend products?
You can use AI-powered matching based on customer answers, or manually tag products to specific quiz outcomes. The quiz supports conditional logic to create branching paths.
Does VQB integrate with email marketing tools?
Yes, VQB integrates with Klaviyo, Omnisend, Zapier, and more. Quiz responses and recommendations sync to your email platform for personalized follow-up campaigns.