The best Shopify bundle apps, compared by use case.
We tested the leading Shopify bundle apps across bundle types, cart placement, AI pairing, and pricing. Here's which apps actually move AOV — and how the top picks compare.
Updated May 2026 · Based on Shopify App Store ratings and feature documentation
Published by Cartylabs · We recommend verifying claims against each app's App Store listing before deciding
Find your best fit
What to look for in a Shopify bundle app.
Bundle apps vary wildly in where they show and what they support. Here's what actually matters.
Bundle types
EssentialLook for apps that support FBT, BOGO, quantity breaks, and mix-and-match. Single-type apps leave revenue on the table for different purchase patterns.
Placement in cart
High impactBundles shown inside the cart drawer convert better than product-page widgets because the shopper has buying intent. In-cart FBT is more valuable than product-page FBT.
AI-powered pairing
High impactAI pairings adapt to purchase history across your store, surfacing bundles that manual rules would miss. Essential for stores with more than 100 SKUs.
Discount mechanics
ImportantPercentage off, fixed amount, or free item — different discount types work better for different products. Make sure the app supports the type that fits your margin structure.
Theme compatibility
Must-haveBundle widgets that inject code directly into product page templates can break during theme updates. Apps using Shopify's app blocks are safer.
Performance impact
ImportantBundle apps that load extra scripts on product pages can hurt LCP. Check PageSpeed before and after installing — especially on high-traffic product pages.
Best Shopify bundle apps compared.
Each app is best for a different use case — find yours below.
Cartylabs
Our pick- Bundles and FBT built into the cart drawer
- No separate pop-up — upsells appear inside the cart
- AI-powered pairing for FBT offers
- BOGO, spend-to-unlock, and bundle discounts
- Free plan available
- Growth plan $9.99/mo
- Bundle builder lives in the cart — not a standalone product page widget
Bundler — Product Bundles
- Mix-and-match bundle builder
- Volume discounts
- Works on product pages and cart
- Free plan available
- Actively maintained with regular updates
- No cart drawer included
- No AI recommendations
- Advanced bundle types require paid plan
Bold Bundles
- Flexible bundle discount types
- Works with Bold's other apps
- Established app with wide theme support
- Good for fixed pre-built bundles
- No cart drawer
- No AI recommendations
- Higher starting price ($24.99/mo)
Frequently Bought Together by Code Black Belt
- Industry-leading FBT product page widget
- AI-trained pairings
- High conversion rate for product-page FBT
- Simple to set up, minimal configuration needed
- Shows on product pages only — not in cart
- No bundle discounts or BOGO
- Specialist tool — works best paired with a cart app
Zoorix Bundle Kit & Cross Sell
- Multiple bundle types: FBT, quantity breaks, mix-and-match
- Works on product and cart pages
- Free plan available
- Good value for multi-type bundle needs
- No AI recommendations
- No native cart drawer
- Interface has more options to navigate than simpler apps
What is the best Shopify bundle app?
For in-cart bundles with AI pairing, Cartylabs is the top pick — bundles live inside the cart drawer rather than as a separate pop-up. For a standalone product-page FBT widget, Frequently Bought Together by Code Black Belt is the category leader. For mix-and-match and volume discounts, Bundler is a strong free option.
What types of Shopify bundles are there?
The main types are: FBT (frequently bought together — show complementary products and discount the pair), BOGO (buy one get one), quantity breaks (buy 3, save 15%), mix-and-match (pick any 3 items from a collection for a discount), and fixed bundles (pre-built product sets at a discount).
Do Shopify bundle apps work with Shopify discount codes?
Shopify limits combining discount types — native Shopify discounts can conflict with app-generated discounts. Most bundle apps generate their own discount mechanism. Cartylabs uses Shopify's discount API so bundles stack correctly with your existing discount rules.
Will a bundle app slow down my product pages?
It depends on how the app injects its widget. Apps using Shopify's theme app blocks load asynchronously and have minimal impact. Older apps that edit theme code directly can affect LCP. Cartylabs loads inside the cart drawer (not the product page), so it has no product page performance impact.
Can I show bundles in the Shopify cart?
Yes, with the right app. Cartylabs shows FBT and BOGO bundles inside the slide-out cart drawer — the most effective placement because the customer already has buying intent. Most bundle apps only show on the product page and miss the cart entirely.
How much does a Shopify bundle app increase AOV?
FBT bundles typically lift AOV by 8–15% when placed in the cart. Cartylabs merchants running in-cart bundles alongside other upsell types average +18% AOV overall. Mix-and-match and quantity breaks tend to increase order volume more than order value.
Try the top-rated Shopify bundle app free.
Cartylabs includes FBT bundles and BOGO inside the cart drawer. Free plan available, Growth from $9.99/mo.