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BOB: The Bundle Builder

All-in-one unlimited bundle variants with mix and match offers

by KartSmith · Launched: November 2025 · Free plan available.

5.0 (6) on Shopify Used by 2 Shopify stores

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All-in-one app to create bundles, mix-and-match offers, and discount campaigns. Launch faster with AI-powered templates built for high conversions.

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About BOB: The Bundle Builder

Increase your conversion rate and AOV with high-converting product bundles and free gift bundles designed to boost every step of your funnel. BOB bundle lets you create multi-product bundles, mix-and-match & Frequently bought bundles, volume discounts, BOGO bundles, progressive gift bundles, and quantity break bundles. Build a complete funnel with Cart Drawer, in-cart upsells, Auto Gift offers, and theme-wide compatibility. Extra bundle features include smart bundles, auto-applied bundles.

Last verified: September 6, 2026 · Fresh

App details

Developer
KartSmith
Category
Marketing & conversion
Pricing
Free plan available
Launched
November 2025
Rating
5.0 (6) on Shopify

Key features

  • All-in-one app to create bundles, mix-and-match offers, and discount campaigns
  • Launch faster with AI-powered templates built for high conversions
Integrations with:

Checkout Klaviyo Shopify Admin

1 plan · starts free

Free

Free

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 8 Shopify App Store reviews

Use the arrows to read individual reviews

I’ve tried several bundle/cart builder apps, and BOB stands out with its clean UI, great features, and smooth experience. Everything feels well-designed and easy to use. Absolutely loved it.
— Quilorria
Really great app! We’re using BOB for product options, bundles, cart upsells, and banners. Everything is easy to set up and manage, and it has made our store setup much faster and smoother. Highly recommended!
— Dunamiss Cosmetics
BOB: The Bundle Builder is a promising Shopify app for merchants looking to increase conversions through product bundles, upsells, mix-and-match offers, and volume discounts. The app currently holds a strong 5-star rating on the Shopify App Store, with users praising its clean interface, easy setup process, and Amazon-style bundle functionality. Many merchants also highlight the responsive custom...
— Marvans Accesories
Great Super App! We’ve been using around 4 different features in BOB, including product options with combined listings, product bundles, cart upsells, and banners. It really helped us speed up our setup process while keeping everything clean and easy to manage as we go. What we like most is how intuitive the app is for creating upsells on both the product page and in the cart without making thing...
— SMKHelmets.in
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— Ichigocha
Really good app with great features. Once you get the hang of how the app works, and how to set everything up, its really simple to use. The support they offer is really helpful too, quick replies and clear communication. Would definetly recommend.
— Discount Print Online
Glad to discover the app, I really found their amazon like product options and product bundles are easy to setup and improved my store's brand visibility. I really appreciate customer support for the timely resolution.
— Abheeka
If you are trying to sell products online, this app is must. This app has the best features to convert customers. The Add to Card customised options, Volume Discount, Product Bundles, and the Dashboard which can be customised are lot in handy. I truly recommend to use this App, if you are in the online business.
— Studs and Nerds

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