Shopify App Comparison 2026
BST Frequently Bought Together
VQB: AI Product Quiz Builder
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for BST and VQB: AI Product Quiz Builder to find the best fit for your store.
Maximize revenue with AI-powered frequently bought together cross-sell bundles. Amazon-style design, mobile-first, with advanced analytics.
View Full DetailsKey Features
- AI-powered product recommendations based on consumer purchase behavior
- Amazon-style "frequently bought together" widget design
- Mobile-first, fully customizable widget compatible with most themes
- Bundle discount options with percentage or fixed amount configurations
- In-depth analytics dashboard tracking clicks, conversions, and revenue
Verdict on BST
BST is the best option if your primary cross-sell strategy is Amazon-style "frequently bought together" recommendations. The AI-powered suggestions are genuinely smart, and the mobile-first design ensures bundles look great on every device. The free plan is limited to 1 manual bundle, but the Core plan unlocks AI recommendations at a fair price. If you want focused cross-sell rather than a full bundle builder, BST delivers.
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
How does the AI recommendation work?
BST analyzes your store's purchase history to identify products frequently bought together. The AI then automatically suggests these pairings on product pages, improving over time as more purchase data is collected.
Can I place bundles sitewide?
Sitewide placement is available on the Pro plan. The Free and Core plans support placement on specific product pages and collection pages.
Does it work on mobile?
Yes, BST is built mobile-first. The widget automatically adapts to screen size and is designed to look great on phones, tablets, and desktops.
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.