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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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We've analyzed thousands of cart customization apps to identify the top performers based on ratings and install counts.

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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

4.0(Reviews)

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.

4.6(Reviews)

T&C checkbox on the cart page, above checkout button, Login page, Register Page, and Contact Page. One click setup without any hassle! T&C checkbox will immediately appear above the checkout button. Purchasing at an online store is not without its risks, both for the buyer and the seller. You want to ensure that you make a potential customer accept your terms and conditions before buying a product from your store. That is where we come in. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR) One click setup without any hassle! T&C checkbox will immediately appear above the checkout button. Purchasing at an online store is not without its risks, both for the buyer and the seller. You want to ensure that you make a potential customer accept your terms and conditions before buying a product from your store. That is where we come in. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR) more Get the date and time the customer agreed to your T&C on additional notes. Show the T&C checkbox in customer account Login, Register page & Contact page. 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 Ex. PayPal, GPay, Apple Pay, etc.

4.8(Reviews)

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

0.0(Reviews)

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.

0.0(Reviews)

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

4.7(Reviews)

Add a tip, donation, or upsell option to your store. Tip Cup lets your customers add gratuity, donations, or custom upcharges anywhere on your site. Bonus: Tip Cup is compatible with 3rd party payment providers (PayPal, Shop Pay, Google Pay, Apple Pay, etc). Tip Cup lets your customers add gratuity, donations, or custom upcharges anywhere on your site. Bonus: Tip Cup is compatible with 3rd party payment providers (PayPal, Shop Pay, Google Pay, Apple Pay, etc). more Accept cashless tips by adding a tip button to your site. Easily change the design to match your store front. You can make upsells or accept donations by changing the wording.

3.7(Reviews)

Tip Quik gives your customers the option to add a tip to their order before they reach checkout. On the cart page and slide-out cart, a pop-up will appear when the checkout or Shop Pay button is clicked. The pop-up will ask the customer if they wish to leave a tip before it brings them to the checkout page. This is a great way to collect tips for your employees and help give everyone a boost. Help out your delivery driver, packaging department, or front of house. Tested and working on all official free Shopify themes. On the cart page and slide-out cart, a pop-up will appear when the checkout or Shop Pay button is clicked. The pop-up will ask the customer if they wish to leave a tip before it brings them to the checkout page. This is a great way to collect tips for your employees and help give everyone a boost. Help out your delivery driver, packaging department, or front of house. Tested and working on all official free Shopify themes. more Before checkout, the customer will be shown a tip pop-up. Tip percentages can be customized or be a flat dollar amount. All content on the tip pop-up and the design of it can be customized.

4.8(Reviews)

Protect your store, earn trust and avoid chargebacks with an AI-based Terms and Conditions Checkbox. 'How to add terms and conditions in Shopify?' is a question we're getting asked a lot. Without clear consent, chargebacks and legal risks become real problems. TnC helps with that by adding a mandatory checkbox to your store, making sure customers agree to your policies before checkout. Whether it's a holiday promotion terms or GDPR age verification privacy policy, the checkbox helps you stay protected. One-click installation, works seamlessly with your theme, and builds trust where it matters. 'How to add terms and conditions in Shopify?' is a question we're getting asked a lot. Without clear consent, chargebacks and legal risks become real problems. TnC helps with that by adding a mandatory checkbox to your store, making sure customers agree to your policies before checkout. Whether it's a holiday promotion terms or GDPR age verification privacy policy, the checkbox helps you stay protected. One-click installation, works seamlessly with your theme, and builds trust where it matters. more Require consent for terms of service, privacy policy, policies and contracts Show the checkbox for specific products & countries to meet legal requirements Logs date & time when the I agree to terms checkbox is checked before checkout Require consent in contact form, newsletter, login/sign up pages & footer menu Works with express checkout button payment gateway (PayPal, Apple Pay, Glowroad)

4.9(Reviews)

Display an "add to cart" buy bar to make it easy for shoppers to purchase from your product pages. If you’re looking to increase your sales and boost revenue, then your solution is Sticky Add to Cart, the app designed not only to increase your conversion rate but also to improve your customers' experience by simplifying the buying process. If you’re looking to increase your sales and boost revenue, then your solution is Sticky Add to Cart, the app designed not only to increase your conversion rate but also to improve your customers' experience by simplifying the buying process. more Display the add to cart buy bar across all of your product pages. Enable 1-click checkout for a faster checkout experience. Quantity Selector that adds multiple items and increases average order value. Fully customizable, no developer needed. Unlimited clicks. 100% compatible with Shopify's Online Store 2.0 themes with 24/7 premium support

4.8(Reviews)

Keep you store safe informing your customers all they need to know before checking out. Displaying terms and conditions, policies, and warnings helps protect your business from various inconveniences both during and after a purchase. This app enables you to display your terms while keeping the customer on the checkout page, ensuring they don't leave after briefly reviewing and agreeing to them. After all, we don't want anything to hinder them from completing their shopping, do we? Displaying terms and conditions, policies, and warnings helps protect your business from various inconveniences both during and after a purchase. This app enables you to display your terms while keeping the customer on the checkout page, ensuring they don't leave after briefly reviewing and agreeing to them. After all, we don't want anything to hinder them from completing their shopping, do we? more Easy and quick installation, no extra settings required Compatibility with all payment methods and browsers Non-skippable terms: your customer must agree to your conditions before checkout Prompt support and customized solutions

3.6(Reviews)

EcoMatcher enables any company to integrate tree planting into their cart. EcoMatcher enables any company using Shopify to integrate tree planting into their cart; customers can now add trees to their cart, and upon checkout, will get all details of all trees planted. Upon installing the “EcoMatcher App” on Shopify, automatically the ‘PLANT A TREE’ button will be added to your cart; once your customer selects the button, a tree will be added to their cart, one tree at a time. You can easily uninstall the plugin if you finally decide not to proceed. EcoMatcher enables any company using Shopify to integrate tree planting into their cart; customers can now add trees to their cart, and upon checkout, will get all details of all trees planted. Upon installing the “EcoMatcher App” on Shopify, automatically the ‘PLANT A TREE’ button will be added to your cart; once your customer selects the button, a tree will be added to their cart, one tree at a time. You can easily uninstall the plugin if you finally decide not to proceed. more ‘PLANT A TREE’ button will be added to your cart. Automatically update Trees stock upon purchase on your EcoMatcher account. Upon check out, your customer will get automatically the tree link(s).

0.0(Reviews)

Offer your users a seamless checkout experience by autofilling verified details via Truecaller "Truecaller Number Verification" app by Truecaller for your web store lets you instantly verify users on your store during the checkout process and automatically fill in their details such as verified number, name, email, etc., on the form. The plugin provides your users a seamless checkout experience and saves on verification costs and RTOs since you are getting verified users on your platform. "Truecaller Number Verification" app by Truecaller for your web store lets you instantly verify users on your store during the checkout process and automatically fill in their details such as verified number, name, email, etc., on the form. The plugin provides your users a seamless checkout experience and saves on verification costs and RTOs since you are getting verified users on your platform. more Increase successful verifications with already mobile number verified Truecaller Optimise marketing spends & ROI by reducing user drops resulting from failed/ de No technical skills required for integration, plug and play solution

2.0(Reviews)

Create smart checkout rules by modifying cart line items and validating checkout — no code. Tweakday Checkout helps Shopify merchants create powerful checkout rules using line item logic and checkout validation. Automatically modify cart items by adding free gifts, warranties, or insurance, and control pricing at the line-item level. Prevent invalid orders by blocking checkout when cart, product, customer, or address conditions are not met. Show clear error messages before order placement. Built with Shopify Functions for fast, secure performance without coding. Tweakday Checkout helps Shopify merchants create powerful checkout rules using line item logic and checkout validation. Automatically modify cart items by adding free gifts, warranties, or insurance, and control pricing at the line-item level. Prevent invalid orders by blocking checkout when cart, product, customer, or address conditions are not met. Show clear error messages before order placement. Built with Shopify Functions for fast, secure performance without coding. more Create rules to add, remove, or modify cart line items dynamically. Block checkout instantly when order conditions are not satisfied. Show clear error messages before customers place an order. Use cart, product, customer, and address-based conditions. Powered by Shopify Functions for secure, high-speed checkout.

5.0(Reviews)

Create Buy More Save More, bundles & B2B pricing with auto-apply discounts at cart and checkout Ultimate Discount Manager helps you increase AOV with Buy More Save More discounts, product bundles, and B2B pricing—powered by Shopify native discount functions. Create flexible tiered offers, free gifts, free shipping, and wholesale pricing that apply automatically at cart and checkout. No theme edits or extra JavaScript required. Works seamlessly with all themes and apps. An optional custom cart drawer is included to help improve the shopping experience and support conversions. Ultimate Discount Manager helps you increase AOV with Buy More Save More discounts, product bundles, and B2B pricing—powered by Shopify native discount functions. Create flexible tiered offers, free gifts, free shipping, and wholesale pricing that apply automatically at cart and checkout. No theme edits or extra JavaScript required. Works seamlessly with all themes and apps. An optional custom cart drawer is included to help improve the shopping experience and support conversions. more Create mix-and-match bundles that increase AOV automatically Set cart value tiers for free shipping, discounts, or free products. Create wholesale pricing and tiered discounts for business customers by tags. Uses Shopify discount functions - no theme changes, works with all apps/themes. Optional cart drawer showing discounts, progress, and product recommendations.

5.0(Reviews)

Add a customizable slide-out cart drawer. Upsells, discounts, and more for any store theme. Ultra Cart enhances your store with a customizable slide-out cart. This powerful tool streamlines checkout, reducing cart abandonment and increasing order value. Always-on and dynamic upsells encourage larger purchases, while features like cart announcements and countdown timers help drive conversions. You can easily tailor the cart's appearance to match your brand. Cart notes for customer instructions and displayed payment icons for trust-building. Ultra Cart enhances your store with a customizable slide-out cart. This powerful tool streamlines checkout, reducing cart abandonment and increasing order value. Always-on and dynamic upsells encourage larger purchases, while features like cart announcements and countdown timers help drive conversions. You can easily tailor the cart's appearance to match your brand. Cart notes for customer instructions and displayed payment icons for trust-building. more Easily modify the cart's appearance to match your brand and theme. Automatically suggest relevant products. Implement various promotional offers with a built-in discount input feature. Create urgency with customizable messages and countdown timers. Allow shoppers to add notes to their orders and view accepted payment methods.

0.0(Reviews)

Save & share shopping carts with customers. Recover abandoned carts and improve sales with one click Enhance the shopping experience and reduce cart abandonment with Save & Share Cart. Let customers save and share their carts effortlessly, accessing them anytime from their account page for a seamless checkout. Merchants get powerful insights with cart analytics and product-based reports, helping optimize sales and recover lost revenue. Improve engagement and conversions with ease! Enhance the shopping experience and reduce cart abandonment with Save & Share Cart. Let customers save and share their carts effortlessly, accessing them anytime from their account page for a seamless checkout. Merchants get powerful insights with cart analytics and product-based reports, helping optimize sales and recover lost revenue. Improve engagement and conversions with ease! more Allow customers to save their carts for later. Enable cart sharing for easy collaboration. Customers can access saved carts from their account page. Cart analytics to track saved carts and customer behavior. Product-based reports to see which items are frequently saved.

5.0(Reviews)

Highly customizable sliding cart drawer with upsells, progress bar, unlockable free gifts and more. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. more Cross-sell and upsell by showcasing relevant products based on items in the cart Sales progress bar to motivate customers to spend more to unlock special rewards Allow customer's to unlock free items in their cart at specific spend tiers Access to completely customize the cart to your exact design and function needs Supports subscriptions, integrates with apps like PageFly, BOLD, Shogun and more

5.0(Reviews)

Boosts your store with practical features like sticky add to cart, banners, and more. UnlockLab - Tools offers essential features to enhance your store's functionality and user experience. With tools like a sticky add-to-cart button, clickable banners, a shipping progress bar, a custom delivery tracking module, and an animated carousel, it simplifies store management while driving engagement. Merchants benefit from easy customization, responsive design, and seamless integration, improving their store's efficiency and customer satisfaction. UnlockLab - Tools offers essential features to enhance your store's functionality and user experience. With tools like a sticky add-to-cart button, clickable banners, a shipping progress bar, a custom delivery tracking module, and an animated carousel, it simplifies store management while driving engagement. Merchants benefit from easy customization, responsive design, and seamless integration, improving their store's efficiency and customer satisfaction. more Custom delivery tracking for a seamless customer experience. Animated carousel to showcase clickable images or partner links. Shipping progress bar to motivate customers toward offers. Clickable banners to highlight promotions on desktop and mobile. Sticky add-to-cart button to keep purchases one click away at all times.

0.0(Reviews)

Upcart — custom slide cart with full design control to increase AOV and reduce cart abandonment Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. more Increase AOV with in-cart upsells and cross-sells for frequently bought items Fully customize cart design with custom templates using HTML, CSS, and JSX Incentivize higher spend with rewards, progress bars, and free shipping goals Boost conversions with in-cart discounts and free gifts Reduce friction with a sticky slide cart that stays visible across your store

4.6(Reviews)

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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.