Optimize your cart and checkout by displaying upsells and cross-sells using StackdBoost. Introducing StackdBoost, the ultimate Shopify app for theme block and checkout UI extensions. With StackdBoost, you can effortlessly showcase sales and offers as upsells or cross-sells on the checkout page and theme blocks. Introducing StackdBoost, the ultimate Shopify app for theme block and checkout UI extensions. With StackdBoost, you can effortlessly showcase sales and offers as upsells or cross-sells on the checkout page and theme blocks. more Show upsells on Checkout UI (Shopify Plus only) Show upsells on Cart (Liquid Theme) Match offers with discounts
Cart customization Shopify Apps
Discover the best Cart customization apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.
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Running a bundled promo? Skip the cart and send your customers directly to checkout with one click. Pre-fill your customer's cart with products, quantities, discounts and even set shipping information. Use the Start to Finish link to drive sales from newsletters, blogs, ads, emails, and social media bundles straight to cart. Extra steps along the way adds friction and forces customers to drop out of the sales funnel. By eliminating these extra steps and pushing users directly to checkout, you are exponentially increasing your conversion rate. More customers reaching the checkout = more sales! Pre-fill your customer's cart with products, quantities, discounts and even set shipping information. Use the Start to Finish link to drive sales from newsletters, blogs, ads, emails, and social media bundles straight to cart. Extra steps along the way adds friction and forces customers to drop out of the sales funnel. By eliminating these extra steps and pushing users directly to checkout, you are exponentially increasing your conversion rate. More customers reaching the checkout = more sales! more Skip the cart and send customers directly to checkout. Use the link to drive sales from newsletters, blogs, ads, emails, & social media Pre-fill your customer's cart with products, shipping information & discounts.
Don't let your customer lose focus on the most important action... purchasing! We all know that keeping your customer's attention can be a frustrating experience. Life is full of distractions and things can get lost, but don't let your Add to Cart experience be one of them. People tend to get lost in the weeds of your product page and lose track of what their intention; to purchase! Sticky solves this problem by adding 2 key features to your site; a Sticky "Add to Cart" and Sticky Cart icon. As they read the product information, they'll never lose focus on the Add to Cart. We all know that keeping your customer's attention can be a frustrating experience. Life is full of distractions and things can get lost, but don't let your Add to Cart experience be one of them. People tend to get lost in the weeds of your product page and lose track of what their intention; to purchase! Sticky solves this problem by adding 2 key features to your site; a Sticky "Add to Cart" and Sticky Cart icon. As they read the product information, they'll never lose focus on the Add to Cart. more Sticky "Add to Cart" Button Sticky Cart Icon With Product Count Custom Placement & Design
Boost AOV by keeping your Add to Cart button visible. Stop losing shoppers mid-scroll. Keep your “Add to Cart” button always visible on product pages, home, or collections so customers never miss add to cart button. Easy to customise, fully responsive, and proven to increase conversions and average order value (AOV). Stop losing shoppers mid-scroll. Keep your “Add to Cart” button always visible on product pages, home, or collections so customers never miss add to cart button. Easy to customise, fully responsive, and proven to increase conversions and average order value (AOV). more Sticky Add to Cart — Visible on scroll to boost conversions! Seamless Customisation — Branding, Display, Texts, Features. Homepage Display — Turn homepage traffic into sales. Optimised UX — A seamless cart experience across all devices. Smart Add-ons: Variants, quantities, translations, scroll triggers, and more.
When the customer scrolls the page, Sticky ATC makes potential users pay attention to your products. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. more Modify everything you want to match your online store perfectly. Auto encloses to any themes, including the most popular themes on the market. Sticky Add to Cart button behavior can same as the default product add to cart Homepage and Support multi stores, currencies, and languages (Automatically) Fast CDN based performance + Integrate with google analytics
Multibuy enable buying items from collection page. Sticky add to cart helps increased conversion. Multibuy app helps helps your customers to add multiple items from the collection pages without moving to the product detail page. It also supports the feature of One click checkout. Sticky add to cart on the product detail page improves buying experience Multibuy app helps helps your customers to add multiple items from the collection pages without moving to the product detail page. It also supports the feature of One click checkout. Sticky add to cart on the product detail page improves buying experience more Quick buy items One click checkout Sticky Add to cart Sticky Header for products
Add a sliding cart drawer and motivate your customers to unlock different types of rewards. With the shopping cart app, you can level up cart to a sticky cart drawer instead of the default store cart. The slider cart offer helps you to create exciting deals. Cart x has a consistent cart, better cart & mini cart, offering more than Shopify cart drawer. Experience fast cart popup with stickey cart and manage orders with Bulk Cart. Simplify Sticky Add to Cart slider with a suite of Cart Apps. Alternative to: Uplinky Sticky Cart, UpCart Cart Drawer, Upcart Drawer, Monster Cart. With the shopping cart app, you can level up cart to a sticky cart drawer instead of the default store cart. The slider cart offer helps you to create exciting deals. Cart x has a consistent cart, better cart & mini cart, offering more than Shopify cart drawer. Experience fast cart popup with stickey cart and manage orders with Bulk Cart. Simplify Sticky Add to Cart slider with a suite of Cart Apps. Alternative to: Uplinky Sticky Cart, UpCart Cart Drawer, Upcart Drawer, Monster Cart. more Set personalized Cart Messages, dynamic Cart Goals & Cart Rules to boost sales. X cart stick with progress bar, cart upsell & Shopify cart abandonment. Discount cart, In Cart Upsell, Drawer Cart Notes, Slide Cart Sticky Cart Drawer Create a sense of urgency with Scarcity Timer Cart in carrello. Create seamless shopping for your customers with Slide a Cart & Cross Cart.
Increase sales with highly visible sticky add to cart bar, floating cart and express checkout bar. Sticky Sell ‑ Add To Cart Bar is a simple configurable sticky cart, it enables your shop with a floating cart button while your customers scroll or swipe across your products. Whether you are just starting out with Shopify or already have a successful store, our sticky "Add to Cart" app can help boost your sales, improve your customer experience, reduce cart abandonment, and make checkout frictionless. Sticky Sell ‑ Add To Cart Bar is a simple configurable sticky cart, it enables your shop with a floating cart button while your customers scroll or swipe across your products. Whether you are just starting out with Shopify or already have a successful store, our sticky "Add to Cart" app can help boost your sales, improve your customer experience, reduce cart abandonment, and make checkout frictionless. more Easy to install and easy to use… start using in seconds! Automatically adapts to Shopify's official themes, no liquid code required! Fully customize Sticky Cart to match your store. Add a sticky cart bar for product pages & make the checkout process simple. A floating cart that's always visible & make the checkout process simple.
Increase conversions with always visible sticky banner, sticky add to cart button & skip cart button Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, Stik turns your shop into a high-conversion machine! Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, Stik turns your shop into a high-conversion machine! more Always visible sticky add to cart button to ensure you never miss a sale. Automatically inherit your theme fonts and colors for a native, seamless look. Instant checkout: Skip the cart page and send customers straight to checkout. Hide PayPal, Apple Pay payment methods & add to cart / buy it now buttons. Drive urgency and highlight offers with a sticky announcement or promo bar.
More Conversions w/ Sticky Add to Cart, Quick Buy Now Button, Cart Slider, Sticky Cart & Cart Upsell Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! more Sticky Add To Cart Bar & Sticky Cart - now with Countdown Timer for urgency Sticky Cart Icons & Add To Cart Bar - always in view for quick checkout Quick Buy Button & Buy Now Button - help shoppers complete purchase quickly Slider Cart Drawer w/Upsells - upsell & cross sell products to increase revenue Quick View, Quick Buy & Buy Now - view, add to cart, or buy with just 1 click
Add shipping protection, rush orders, warranty, donations, upsells, bundles, and more with one cart! We built Supercart four years ago with one goal: to help businesses like yours succeed. A secret weapon, a profit-boosting powerhouse that raises your average order value and conversion rates. Easily offer smart extra services, dynamic upsells, and AI product recommendations. You can also encourage larger purchases with product bundles, discount incentives, and free gifts. The app is incredibly easy to use and fully customizable, so you can build a cart experience that is unique to your brand. We built Supercart four years ago with one goal: to help businesses like yours succeed. A secret weapon, a profit-boosting powerhouse that raises your average order value and conversion rates. Easily offer smart extra services, dynamic upsells, and AI product recommendations. You can also encourage larger purchases with product bundles, discount incentives, and free gifts. The app is incredibly easy to use and fully customizable, so you can build a cart experience that is unique to your brand. more Use a familiar editor to customize the perfect cart to your vision Increase LCV, AOV and CRO with A/B split testing. Unlimited upsells and more customizable features (donations for a good cause) Shipping Protection or cart other services that helps your store get more sales Increase Customer Trust, Confidence & Peace of Mind. Try Supercart and see today
Quick AddCart & Direct Checkout & Cart Coupon & Cart Rewards, Improve shopping conversion rate Quickly add products to the shopping cart or checkout on the product category page, and use coupons directly in the shopping cart drawer to improve store operation efficiency. Quickly add products to the shopping cart or checkout on the product category page, and use coupons directly in the shopping cart drawer to improve store operation efficiency. more Quick Add to Cart,One-click add to cart with variants and quantities Direct Checkout, One-click checkout with variants and quantities Cart coupon, Use coupons directly in the shopping cart. Cart Rewards, improve shopping conver Easy Integration, Seamlessly into theme blocks for effortless customization.
Prevent unwanted order-triggered changes to customers' default address. Many merchants don't like how Shopify automatically updates the default shipping address of a customer if an order is submitted with a different address. If you're one of these merchants, this app was made for you. The app switches the default customer address back to what it was before the order-triggered automatic update. It will prevent address changes due to this undesired behavior. You can still manually perform customer address changes or edit the default address if you want. Many merchants don't like how Shopify automatically updates the default shipping address of a customer if an order is submitted with a different address. If you're one of these merchants, this app was made for you. The app switches the default customer address back to what it was before the order-triggered automatic update. It will prevent address changes due to this undesired behavior. You can still manually perform customer address changes or edit the default address if you want. more Ensure you don't ship to the wrong customer address! We NEVER store any customer data or addresses; only anonymous IDs. No underlying theme changes or changes to your customer-facing storefront.
Auto add product or gift with purchase to cart based on your conditions (BOGO, Buy X Get Y, etc.) Our app allows you to automatically add specific products or gifts to the customers' cart when they buy other specific products. The cart bots can be easily configured, allowing you to edit or remove them as needed. For example, if a customer buys a skincare kit, our app can automatically add a free face serum sample, which is removed if the main product is removed (as per the configured bot). You can assign CartBot to different customer types and set it to apply for a specific time period. Our app allows you to automatically add specific products or gifts to the customers' cart when they buy other specific products. The cart bots can be easily configured, allowing you to edit or remove them as needed. For example, if a customer buys a skincare kit, our app can automatically add a free face serum sample, which is removed if the main product is removed (as per the configured bot). You can assign CartBot to different customer types and set it to apply for a specific time period. more Automatically add products and gifts to the cart Create cart bot based on products and add gift with purchase Create cart bot to add gifts based on cart value Advanced minimum & maximum quantity conditions Set custom bots for different customer types to automatically offer gifts
The app helps you add a terms-and-conditions checkbox to your store - 2.0 compatible TermsBee allows you to add a Terms and Conditions Checkbox to your store easily. After enabling the app a checkbox will immediately start appearing in your store's cart page & drawer (Ajax) and products page, customers will be required to tick it in order to checkout. The date and time when the checkbox was ticked will be logged in the order's additional details section and can help you against chargebacks. You can also show the checkbox in the account register & login pages. TermsBee allows you to add a Terms and Conditions Checkbox to your store easily. After enabling the app a checkbox will immediately start appearing in your store's cart page & drawer (Ajax) and products page, customers will be required to tick it in order to checkout. The date and time when the checkbox was ticked will be logged in the order's additional details section and can help you against chargebacks. You can also show the checkbox in the account register & login pages. more Easily add an 'I Agree' Checkbox to your store's cart page and Ajax cart See when the customer agreed to your terms and conditions in the order details. You can show the checkbox appear for specific products only. You can show the "I Agree To Terms Checkbox" for all or specific countries. The app supports additional checkout buttons Ex. PayPal, GPay, Apple Pay, etc.
T&C checkbox on the cart page & checkout page, Support Age Verification & Country Blocker. One click setup without any hassle! Instantly display a Terms & Conditions checkbox above the checkout button to ensure customers accept your policies before purchase. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR). Add Age Verification to restrict underage access and prevent unauthorized usage. Use Country Blocker to control or restrict orders from selected regions. One click setup without any hassle! Instantly display a Terms & Conditions checkbox above the checkout button to ensure customers accept your policies before purchase. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR). Add Age Verification to restrict underage access and prevent unauthorized usage. Use Country Blocker to control or restrict orders from selected regions. more Get the date and time the customer agreed to your T&C on additional notes. Enable age verification & Block specific country to access your store Inbuilt language translations support & set the T&C checkbox checked by default. Show the Terms Checkbox for all or specific countries & on specific products The app supports additional checkout buttons, Login, Register & Contact pages.
Add a modern cart drawer to your store Include Free shipping notification, discount code input, cart notes input. Include Free shipping notification, discount code input, cart notes input. more Fully customized Theme 2.0 integrate Fast app
Craft personalized checkouts with ease and raise revenue! THDC Checkout Builder empowers plus merchants to effortlessly tailor every aspect of their Shopify store's checkout process by harnessing the power of Shopify's advanced checkout extensibility and recommendation algorithm. From eye-catching banners that communicate brand messages to interactive forms and inputs, the possibilities are limitless. THDC Checkout Builder, is your Shopify ally for seamless shopping experiences - customize checkout, and upsells effortlessly. Elevate your store today! THDC Checkout Builder empowers plus merchants to effortlessly tailor every aspect of their Shopify store's checkout process by harnessing the power of Shopify's advanced checkout extensibility and recommendation algorithm. From eye-catching banners that communicate brand messages to interactive forms and inputs, the possibilities are limitless. THDC Checkout Builder, is your Shopify ally for seamless shopping experiences - customize checkout, and upsells effortlessly. Elevate your store today! more Widgets - Checkout widgets to help you show and collect data from your users. Conditionals - Decide when and to whom your widgets are displayed. Upsells - Generate revenue with cart, progress and post purchase upsells. Bespoke widget support - Create custom widgets tailored to you with our support. Checkout Branding - Customize the look and feel of your existing checkout.
Sales Countdown Timer bar, low stock counter & cart countdown for urgency, FOMO & buy now affect. Cart Countdown Timer & sales countdown clock app allows you to show low stock counter and timer on your cart & product pages to boost the urgency, FOMO and encourage users to buy within the limited time. Key features of Inventory Countdown app helps in establishing social proof, scarcity, and a sense of urgency by displaying low stock counter & cart countdown timers on cart & product page. Customize the look & feel of the sales countdown and stock bar to set up in less than 30 seconds. Cart Countdown Timer & sales countdown clock app allows you to show low stock counter and timer on your cart & product pages to boost the urgency, FOMO and encourage users to buy within the limited time. Key features of Inventory Countdown app helps in establishing social proof, scarcity, and a sense of urgency by displaying low stock counter & cart countdown timers on cart & product page. Customize the look & feel of the sales countdown and stock bar to set up in less than 30 seconds. more Stock Countdown Timer Bar - Create urgency by showing available product count Boost Buying Motivation - Encourage visitors to buy now Customize Countdown Bar - Customize to match/contrast look and feel with store Scarcity - Create scarcity & FOMO by showing the remaining stock of the product Social Proof - Show that items are selling fast and establish the social proof
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About Cart customization Apps for Shopify
Cart customization apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.
When choosing a cart customization app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.
The apps listed on this page represent some of the best cart customization solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.