Best Cart customization Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Oct 12, 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. Replaces long checkout with a customizable one-step order form. Best for Cash on Delivery & PreOrder
Simplify your checkout process with a customizable one-step order form designed specifically for Cash on Delivery (COD) and pre-orders. Instead of the standard multi-page checkout, EasyOrdr displays a convenient popup form right on your product or cart pages. The intuitive drag-and-drop form builder lets you create exactly the fields you need - add required fields, related information, and adjust the design to match your store. Perfect for businesses offering COD payments, collecting pre-orders, or needing quick lead forms. The simplified checkout helps reduce cart abandonment while automatically handling order confirmations and customer communications. Create a smoother ordering experience that works for both you and your customers.Install from Shopify App Store
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#2. 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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#3. 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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#4. Boost AOV & conversion with slide cart upsells, free gifts & custom brand design support!
Maximize your store's revenue with this slide cart drawer that helps reduce cart abandonment and increase average order value. The sticky cart stays visible and accessible throughout your site, featuring smart upsell recommendations and frequently bought together items. Add progress bars to encourage larger purchases, offer free gifts based on cart value or specific products, and implement BOGO deals directly in the cart. Customers can easily apply multiple discount codes, view promotions, and receive announcements through the customizable drawer interface. With 10+ conversion-focused features and brand-specific design options, this cart solution turns every shopping session into a better selling opportunity.Install from Shopify App Store
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#5. 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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#6. Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc.
Customize your Shopify cart drawer with Kaching AI to increase average order value and drive more sales. The slide cart features essential conversion tools like urgency timers, free shipping bars, and payment icons to build trust. Add product upsells through an intuitive slider showing frequently bought together items, or offer extras like gift wrapping and shipping protection with simple toggles. The user-friendly interface lets you design your cart drawer without coding skills, making it easy to optimize every shopping session. Create a better checkout experience that encourages larger purchases and reduces cart abandonment.Install from Shopify App Store
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#7. Customize checkout using powerful checkout rules to streamline and boost checkout conversion.
Customize your Shopify checkout experience with flexible checkout rules that help increase conversions. Control how shipping and payment methods appear based on specific conditions like cart total, weight, product tags, or customer location. Show, hide, rename or reorder checkout options to match your business needs. Set default shipping methods, restrict PO Box deliveries, manage express payment buttons, and apply targeted discounts. Create a smoother checkout flow by displaying only relevant options to each customer. Perfect for merchants who want to optimize their checkout process while improving customer satisfaction.Install from Shopify App Store
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#8. 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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#9. 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
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#10. Grow via side cart drawer cart upsell, sticky add to cart bar, free shipping bar & slide cart upsell
Improve your store's sales with a smart side cart drawer that shows AI-powered product recommendations and upsells. The sticky add to cart bar stays visible as customers browse, making purchasing quick and convenient. The cart drawer opens smoothly without leaving the current page, displaying cart contents and personalized cross-sell suggestions. Track progress toward free shipping with an animated progress bar, and enable one-click checkout for faster sales. Quick buy buttons throughout your store let shoppers add items instantly from any page. Perfect for increasing average order value and creating a smoother shopping experience, similar to popular cart solutions like UpCart and iCart Opus.Install from Shopify App Store