8 Best Shopify Cart Customization Apps in 2026

Introduction

Shopify merchants face a common challenge: how to transform basic shopping carts into high-converting, personalized experiences that encourage larger orders and repeat purchases. Cart customization apps address this need by letting merchants add upsells, related product recommendations, urgency elements, and design enhancements that can directly impact average order value (AOV) and customer satisfaction. With so many options available, selecting the right app means weighing factors like feature depth, integration breadth, pricing, language support, and trust signals such as reviews and years on the market.

When evaluating the best Shopify cart customization apps, merchants should consider how well each app aligns with their sales goals and technical needs. Key considerations include the app’s ability to provide intelligent product suggestions (like "you may also like" or "also bought" recommendations), the flexibility of its UI customizations, compatibility with review and page builder apps, and transparent pricing. Additionally, international merchants may require multilingual support, while stores with high traffic will benefit from unlimited usage plans and proven reliability.

Executive summary: For merchants seeking a proven, feature-rich solution, Also Bought CBB leads the pack in 2026. With AI-powered related product suggestions, broad integration support, nine languages, and a flat, predictable price, it delivers advanced cross-sell capabilities that help stores of any size maximize sales potential with minimal effort.

Also Bought CBB

Also Bought CBB, developed by Code Black Belt, is designed to deliver premium cross-sell related product recommendations to Shopify stores. Its standout feature is AI-powered related product suggestions, which automatically surface "also bought" and "you may also like" items based on real customer behavior. This enables merchants to drive higher average order values by presenting shoppers with the most relevant add-ons at the right moment in their purchase journey.

The app offers a customizable UI, giving merchants control over how recommendations are presented to fit their store’s branding and layout. With integrations for popular review apps such as Ali Reviews, Opinew, Judge.me, Loox Reviews, Ryviu, Stamped.io, and Yotpo, as well as Checkout and Shopify Admin, Also Bought CBB ensures seamless compatibility with existing workflows. The ability to style recommendation widgets and work alongside various integrations makes it a highly flexible solution suitable for most Shopify themes.

Also Bought CBB’s pricing is straightforward: a single Professional plan at $19.99/month, which includes unlimited products, orders, and traffic. There are no hidden fees or usage caps—merchants pay one flat rate regardless of store size or volume. This is especially advantageous for stores experiencing growth or seasonal spikes, as it removes the stress of tiered pricing and surprise charges. Merchants also benefit from swift, efficient, and knowledgeable support as part of the plan.

Pros:

• AI-powered related product suggestions that adapt to customer behavior
• Highly customizable UI for seamless integration with store design
• Wide range of integrations with leading review platforms and Shopify Admin
• Support for nine languages, including English, Spanish, Portuguese (Brazil), Italian, Dutch, German, French, Chinese (Simplified), and Chinese (Traditional)
• Unlimited usage for products, orders, and traffic at a flat monthly rate
• Built for Shopify designation, demonstrating alignment with Shopify’s highest standards
• Established presence since 2016 and 313 reviews, indicating reliability and experience

Cons:

• One pricing tier, so there is no free or lower-cost entry point for very small stores

Verdict: Also Bought CBB is an ideal fit for merchants seeking a full-featured, scalable cart customization solution with advanced recommendations, broad language support, and robust integrations, particularly those looking for predictable, unlimited usage pricing.

Kaching CartDrawer Cart Upsell

Kaching CartDrawer Cart Upsell focuses on boosting average order value through a slide-out cart interface, upsell offers, and promotional elements like free shipping bars. The app provides a range of features designed to convert more shoppers at the cart stage, including cart discounts, urgency timers, trust badges, and customizable payment icons. Merchants can tailor the look and feel of the slide cart to match their branding, making it a flexible choice for stores that prioritize cart design and AOV optimization.

Kaching offers deep integration with other Kaching apps (such as Bundles Quantity Brea, Discount Pop-up Upsell, and Subscriptions App) and leading landing page builders like GemPages and PageFly. It also integrates with Checkout, Shopify Admin, and Releasit COD Form & Upsells, allowing merchants to craft a cohesive shopping experience across their stack.

There are four pricing plans: "Development stores" (free), "99 orders/mo" at $9.99/month, "199 orders/mo" at $14.99/month, and "499 orders/mo" at $24.99/month. Each paid tier unlocks features like trust badges, urgency timers, upsell slide carousel, shipping protection toggle, and extensive customization options. The free plan is limited to development stores, making the $9.99/month tier the starting point for live shops. Merchants should be aware that as order volume increases, the price scales up, which may be a consideration for rapidly growing businesses.

Pros:

• Comprehensive slide cart and cart upsell functionality
• Integrations with leading landing page builders and other Kaching apps
• Urgency features (timers, trust badges) to increase conversion rates
• Customizable design for seamless brand alignment
• Built for Shopify status
• Seven supported languages: English, German, Italian, French, Dutch, Swedish, and Spanish
• High volume of 1,169 reviews since 2024
• Free tier for development stores

Cons:

• Pricing scales with order volume, which may add up for larger stores
• Most features require at least the $9.99/month plan for live stores

Verdict: Kaching CartDrawer Cart Upsell suits merchants prioritizing visually engaging slide carts, upsell carousels, and conversion-boosting elements, especially those using Kaching’s app ecosystem or advanced landing page builders.

Product Recommendations • ES

Product Recommendations • ES, built by EcomStar, helps merchants sell more by combining upsells, product recommendations, and a free shipping bar. The app is centered around features like automatic discount promotions, frequently bought together recommendations, and in-cart upsell and cross-sell offers. It provides robust style customization to match any store theme and supports thank you page recommendations, helping merchants capture additional sales even after checkout.

Integrations include Checkout, Shopify Admin, Cart Upsell, GemPages, PageFly, Product Page Upsell, and Thank You Page Upsell, giving merchants flexibility in how and where recommendations are surfaced. Merchants can access all upsell and cross-sell features on the free forever plan, including styling customization, with support available via zoom, chat, or email. The paid "Basic" plan at $9.99/month adds the promise of store income increase and all other features.

Pros:

• Automatic discount promotions and in-cart upsells
• Frequently bought together and thank you page recommendations
• Comprehensive integrations with landing page and upsell apps
• All features available on a free plan
• Built for Shopify and launched in 2024
• Simple pricing: free forever or $9.99/month for enhanced support and income features

Cons:

• Supports only English language
• Relatively new app with 129 reviews

Verdict: Product Recommendations • ES is best for budget-conscious merchants seeking a free, feature-rich upsell and recommendation solution with strong integration options and straightforward upgrades.

Related Products by TAA

Related Products by TAA is focused on AI-powered related and complementary product recommendations, leveraging automation to keep suggestions relevant as products change. Key features include dashboard analytics, frequently bought together suggestions, and automatic updates when the store’s product catalog evolves. Merchants can display similar product widgets and track their performance via the app’s analytics dashboard.

Integrations are limited to Shopify Admin. The "Free" plan supports up to 250 recommendation-active products and includes analytics and frequently bought together features. The "Pro" plan, at $15/month, expands to unlimited recommendation-active products.

Pros:

• AI-powered product suggestions adapt to catalog changes
• Dashboard analytics for tracking performance
• Frequently bought together and similar products features
• Free plan covers 250 products

Cons:

• Launched in 2026 with only 4 reviews, so social proof is limited
• Integrates only with Shopify Admin
• Supports only English
• Not built for Shopify

Verdict: Related Products by TAA works for merchants who want AI-driven recommendations and analytics, but it’s best suited to smaller stores or those willing to trade integration breadth for a lightweight solution.

Tipo Related Products, Upsell

Tipo Related Products, Upsell specializes in boosting sales through frequently bought together products and handpicked recommendations. The app offers a variety of widget styles, automatic discount promotions, checkout and thank you page recommendations, and both manual and automatic recommendation modes. With no coding required for customization, merchants can easily adjust recommendation widgets to match their store’s look and feel.

Integrations include Shopify Admin and Customer accounts. The free plan displays related products by tag and allows the widget anywhere on the store. The "PRO" plan at $9.90/month adds frequently bought together, handpicked recommendations, automatic discounts, custom design, and a refund offer for two months if no profit is generated.

Pros:

• Broad recommendation features: frequently bought together, handpicked, and manual
• Automatic discount promotions and checkout recommendations
• Custom design and multiple widget styles
• No coding required for setup or customization
• Supports four languages: English, French, German, and Japanese
• Built for Shopify since 2018, with 331 reviews
• Free plan available

Cons:

• Integrations limited to Shopify Admin and Customer accounts

Verdict: Tipo is a strong fit for merchants who want a mix of manual and automatic recommendations, easy customization, and support for multiple languages at a low monthly cost.

Upcart—Cart Drawer Cart Upsell

Upcart—Cart Drawer Cart Upsell is designed to help merchants increase AOV with a customizable slide cart, reward bar, and upsell modules. The app offers full design control, sticky slide cart options, in-cart upsells and cross-sells, incentives via rewards modules, and free shipping or gift bars to drive urgency and larger orders.

Integrations include Checkout and Shopify Admin, allowing for a smooth experience from add-to-cart to checkout. The app has a "DEVELOPMENT STORES" free plan for development and partner stores. Paid plans scale by order volume: "0-200 ORDERS" at $29.99/month, "201-500 ORDERS" at $34.99/month, and "501-1000 ORDERS" at $54.99/month. Each tier includes a 14-day trial and unlocks features like design settings, upsell modules, rewards modules, add-ons, and custom HTML/CSS.

Pros:

• Highly customizable slide cart with sticky and full design control
• Reward modules and add-ons for incentivizing larger orders
• Built for Shopify, launched in 2021
• 852 reviews indicate strong adoption
• Free plan for development stores and 14-day trial on paid plans

Cons:

• Pricing starts at $29.99/month for live stores, scaling with order volume
• Supports only English
• Integrations limited to Shopify Admin and Checkout

Verdict: Upcart is well-suited to merchants seeking advanced cart customization and rewards features, especially those willing to invest in a higher-priced plan for design flexibility and AOV growth.

K: Cross Sell+Related Products

K: Cross Sell+Related Products by Kaktus empowers merchants to build cross-sell offers and frequently bought together widgets that help "complete the look" for shoppers. The app supports manual recommendations, A/B funnels, bundled cross-sells, and a variety of widget styles (including line, grid, and Amazon styles). No coding is required to set up or customize widgets, making it accessible for non-technical users.

Integrations include Checkout and Open AI, potentially opening up more advanced recommendation logic. The free plan includes frequently bought together, manual recommendations, product recommendations, A/B funnels, and cross-sell offers. The "Unlimited" plan at $18/month offers all features without usage limits.

Pros:

• Manual recommendations and bundled cross-sell support
• Customizable widgets in multiple styles
• No coding required for setup or use
• Free plan available

Cons:

• Only supports English
• Not built for Shopify
• 86 reviews and launched in 2022, so less established than some alternatives

Verdict: K: Cross Sell+Related Products is best for merchants who want flexibility in cross-sell widget design and manual control, particularly on a budget or as a starting point for cross-sell strategy.

Recommended Product – Salesup

Recommended Product – Salesup helps merchants display recently viewed and recommended products in the store’s footer, encouraging additional product discovery and purchase. The app automatically displays recently viewed products and makes recommendations based on customer browsing behavior, helping shoppers rediscover items they’ve shown interest in.

The app supports only English and does not list any integrations. Its focus is on simplicity and targeted recommendations rather than in-depth customization or upsell functionality.

Pros:

• Automatic display of recently viewed products to encourage repeat engagement
• Simple product recommendations based on customer behavior

Cons:

• Limited to English language
• No integrations listed
• Not built for Shopify
• 61 reviews and launched in 2021, so has a moderate track record

Verdict: Recommended Product – Salesup is suitable for merchants looking for a basic, automated way to display recently viewed products, but may not meet the needs of those wanting advanced upsell, customization, or integration features.

Buyer’s Guide: How to Evaluate Shopify Cart Customization Apps

1. Recommendation Intelligence and Automation

For merchants aiming to maximize cross-sell and upsell opportunities, the strength of an app’s recommendation engine is critical. Look for apps that leverage AI or real customer data to suggest products that are truly relevant—such as "also bought" or "you may also like" recommendations. AI-driven suggestions adapt over time, increasing the chance of larger baskets with minimal manual intervention.

2. Integration Compatibility

Cart customization rarely happens in isolation. The best Shopify cart customization apps work alongside review, upsell, and landing page builder apps. Deep integrations with platforms like Checkout, Shopify Admin, and review apps (such as Judge.me, Loox, and Yotpo) ensure recommendations are consistent and leverage existing social proof. Before choosing, check the integration list for compatibility with your current stack.

3. Customization and Design Flexibility

Every store has unique branding and design needs. Top apps offer a customizable UI, a selection of widget styles, and no-code editing options, making it easy for merchants to match recommendation displays to their store’s look. Some apps also allow for custom design or manual recommendations, giving even more control over what shoppers see.

4. Pricing Transparency and Scalability

As order volume grows, costs can escalate quickly if you’re not careful. Some apps offer a flat rate for unlimited usage, while others scale pricing based on orders or features. Review each app’s pricing structure to ensure it fits your budget now and as your store grows. Consider the value of unlimited plans for peace of mind, or opt for free or entry-level plans if you’re just starting out.

Final Recommendation

The best Shopify cart customization app depends on your store’s unique needs and growth plans:

• If you want advanced, AI-powered related product recommendations, broad language and integration support, and predictable unlimited pricing, Also Bought CBB is the top choice.
• If you prioritize a slide-out cart with upsell features and scalable pricing, Kaching CartDrawer Cart Upsell is worth considering, especially if you’re using other Kaching or page builder apps.
• If a free, all-in-one recommendation tool with basic upsell features fits your budget, Product Recommendations • ES or Tipo Related Products, Upsell may be suitable, particularly for new or small stores.
• For merchants seeking advanced design control and reward features in their cart, Upcart—Cart Drawer Cart Upsell delivers, albeit at a higher entry price.

For most Shopify merchants, Also Bought CBB stands out for its powerful AI recommendations, extensive integrations, multi-language support, and simple, flat-rate pricing. It’s built for Shopify and backed by years of proven success—making it the recommended solution for stores that want to maximize cross-sell revenue with minimal hassle.

Install Also Bought CBB from the Shopify App Store