Best Cart customization Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Aug 29, 2025
The best Shopify cart customization apps help merchants deliver a smoother shopping experience while increasing average order value. From one-click order forms and slide-out cart drawers to upsell features and terms & conditions checkboxes, these tools give store owners complete control over the checkout process. Whether you need to add free shipping bars, display product recommendations, or implement custom checkout rules, this handpicked collection of top-rated apps provides essential solutions for optimizing your store's cart and checkout flow.
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#1. One click upsell and cross sell. Show frequently bought together product upsell & related products.
Increase your average order value with Essential Upsell's smart product recommendations. Show customers frequently bought together items, related products, and add-ons directly on product pages and in the cart drawer. Create effective upsell strategies with "also like" suggestions, product bundles, and buy-one-get-one offers. The app lets you set up one-click upsells and automatic pre-purchase discounts to encourage more sales. Customize your product recommendations and cross-sell widgets to match your store's look while making it easy for shoppers to discover complementary items. Perfect for merchants wanting to grow cart value through strategic product suggestions and bundle offers.Install from Shopify App Store
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#2. EasyGift: Free gift with purchase app for auto add to cart automatic gift, BOGO & Buy X Get Y offer
Automatically add free gifts and product add-ons to your customers' carts with EasyGift's simple cart rules. Create targeted BOGO (Buy One Get One) and Buy X Get Y offers based on cart total value or specific products purchased. The app makes setting up free gift with purchase promotions straightforward through an easy-to-use interface. Schedule your cart upsell offers to run during specific timeframes and customize rules for different collections. Whether you want to reward customers who reach certain spending thresholds or purchase particular items, EasyGift helps you manage automatic gift additions seamlessly. Perfect for creating engaging cart upsells and running promotional campaigns that encourage larger purchases.Install from Shopify App Store
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#3. Boost AOV & conversion with slide cart upsells, free gifts & custom brand design support!
Maximize your store's revenue with this smart slide cart drawer that helps reduce cart abandonment and increase average order value. The sticky cart stays visible as customers shop, making checkout convenient from any page. Add effective features like progress bars, cart upsells, frequently bought together suggestions, and BOGO offers to encourage larger purchases. Customize your cart with free gift promotions, stackable discount codes, and targeted announcements. The app includes shipping protection upsells and modern cart UI designs used by leading brands. Works seamlessly with all Shopify themes while maintaining your store's professional look. Perfect for merchants looking to optimize their cart experience and drive more sales through strategic upselling and rewards.Install from Shopify App Store
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#4. Increase Profits, AOV & Sales With A Free Shipping Progress Bar Cart Goal and Cart Upsell.
Turn free shipping into a powerful sales tool with this smart progress bar app. When customers see how close they are to earning free shipping, they're motivated to add more items to their cart. Set custom cart goals (like $50) and reward shoppers with free delivery or special discounts when they reach the target. The progress bar works seamlessly on product pages, cart pages, or as an announcement bar. With built-in cart upselling features, you'll increase average order value while giving customers a clear path to earn shipping benefits. Track additional revenue, customize the bar's appearance, and support multiple currencies - all designed to convert browsers into bigger spenders. Perfect for Online Store 2.0 themes and available in multiple languages.Install from Shopify App Store
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#5. Boost AOV & Conversions with Multi-Cart, Free Gifts, Upsells & Smart Recommendations
Customize your store's cart experience with Opus Cart Upsell Drawer's multi-cart functionality. Set up different carts based on customer segments, locations, and seasonal events. Drive higher average order value (AOV) through smart product recommendations, free gifts, and multi-currency rewards bars. The sticky cart button makes navigation seamless, reducing cart abandonment rates. Track customer behavior with abandoned cart analytics to recover lost sales. Show shipping progress bars and create urgency with countdown timers and time-limited deals. Tailor cross-sell suggestions to each shopper while offering free gifts based on cart value. Keep customers informed with real-time announcements and motivate purchases by displaying free shipping thresholds.Install from Shopify App Store
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#6. Plant trees, remove ocean bound plastic, and engage your customers with storytelling badges.
Make your store more sustainable with GoodAPI's tree planting and ocean plastic removal initiatives. This sustainability app helps you connect with eco-conscious customers through verified environmental impact programs. Display your green efforts with customizable badges across your store pages, from product listings to checkout. Track and share your environmental contributions using high-quality photos and videos, available in multiple currencies and languages. Set up automated sustainability actions through Shopify Flow and Klaviyo integration for better customer engagement. Work with trusted non-profits focused on reforestation and ocean plastic cleanup, while our dedicated support team helps you implement these features seamlessly.Install from Shopify App Store
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#7. Accept Discount Codes on Cart, Stack Discounts, Multiple Automatic Discounts + Coupon Code Promotion
Stack multiple discount codes directly in the shopping cart with this user-friendly discount management app. Customers can combine coupon codes with automatic and volume discounts, seeing their total savings before checkout. The app displays free shipping progress and available discount codes through a convenient popup widget. Set up cart-level discounts without any coding needed - perfect for increasing average order value and conversion rates. The simple self-installation process lets you start offering stackable discounts right away, while the built-in shipping calculator helps promote your free shipping thresholds. Show customers their potential savings early with clear discount code promotions visible across your store.Install from Shopify App Store
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#8. Customize checkout behavior by showing shipping or payment methods the way you want.
Customize your checkout experience with flexible rules for shipping and payment methods. Control how options appear based on cart total, weight, address, product tags, and other conditions. Show, hide, rename or reorder methods to match your needs. Set default selections, prevent PO Box shipping, hide express checkout buttons, and apply targeted discounts to orders or shipping. Create a smoother checkout flow by displaying only relevant options to customers. Perfect for stores that need precise control over their checkout behavior and want to optimize the purchasing process.Install from Shopify App Store
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#9. Boost CR, AOV & Sale with AI-Powered Cart Upsell, Cart Drawer, Sticky Add to Cart, Free Shipping Bar
Xboost combines smart cart features to improve your store's average order value (AOV) and conversion rates. The AI-powered Cart Upsell suggests products your customers are likely to buy, while Cart Addons like Shipping Protection add value to each purchase. The Free Shipping Bar motivates shoppers to spend more, and the always-visible Sticky Add to Cart button makes purchasing convenient. Trust Badges and countdown-enabled Announcements create urgency and build confidence. With Express Payment options and customizable rewards like free gifts and discount codes, Xboost creates a complete cart experience that naturally increases sales and customer satisfaction.Install from Shopify App Store
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#10. Hide, sort & rename checkout payment methods based on rules like country, cart value, or shipping.
Take control of your Shopify checkout payment options with ETP Sort & Hide Payment Methods. Customize how payment methods appear by hiding, sorting, or renaming options like PayPal, credit cards, Cash on Delivery (COD), and manual payments. Create specific rules based on shopping cart value, shipping method, customer location, product SKUs, or customer tags. The app lets you show only relevant payment options to different customers without any coding needed. All changes apply instantly to your checkout, making it easier for customers to complete their purchase with their preferred payment method.Install from Shopify App Store