Top Free Shopify Cart Modification Apps 2025

UpCart is a comprehensive drawer cart builder designed to enhance the shopping experience by providing an intuitive, customizable cart interface that aligns with your brand. It boosts sales through upselling and cross-selling features, and helps to minimize cart abandonment with sticky cart buttons.

• Brand Consistency: Offers customizable cart designs that seamlessly integrate with your site’s branding for a cohesive shopping experience.
• Upselling and Cross-Selling: Includes modules for in-cart promotions to increase average order value (AOV), including free shipping or discount promotion bars.
• Announce Updates: Allows brands to relay important messages and updates directly within the cart interface via announcements.
• Sticky Cart Button: Enhances cart visibility and accessibility, encouraging customers to proceed with their purchases and reducing abandonment.
• Add-On Options: Enables the inclusion of additional products or services, such as shipping insurance, directly within the cart for customer convenience.

Based on user reviews, UpCart is praised for its substantial impact on increasing average order value and its exceptional customer service, making it indispensable for Shopify store owners. Its reasonably priced dynamic cart solution and responsive, expert support team make it a standout tool in ecommerce management.

Slide Cart, Sticky Add To Cart is designed to increase your Average Order Value (AOV) and boost conversion rates by offering a seamless shopping experience. It features a Sticky Add to Cart bar and Slider Cart Drawer that allow customers to add notes, apply discount codes, estimate shipping rates, and more without navigating away from the current page.

• Sticky Add to Cart: Keeps the add to cart button constantly visible as customers scroll or swipe, improving user experience and increasing conversion rates.
• Cart Upsell: Encourages additional purchases by recommending frequently bought together items directly in the cart.
• Sticky Cart Drawer: Allows customers to view and interact with their shopping cart without leaving the current page, streamlining the checkout process.
• Customization Options: Offers free shipping progress bar, countdown timer, and tools for applying notes, terms, and conditions, and trust badges.
• User Interface: Clean, user-friendly, and fully customizable slide cart UI that enhances shoppers' overall experience.

Based on reviews, the app's standout advantages include its easy integration, user-friendly, customizable design, and its ability to significantly enhance the shopping experience. It effectively increases revenue and AOV, making it a must-have for any Shopify store looking to boost sales.

CartBot: Gift with Purchase is a versatile app that allows you to automatically add specific products or gifts to a customer's cart when they buy designated products. This user-friendly app enables easy configuration, editing, and removal of these offers to enhance the shopping experience effortlessly.

• Automatic Product Addition: Seamlessly adds specific products or gifts to customers' carts when they meet certain purchase criteria.
• Configurable Cart Bots: Provides flexibility to easily configure, edit, or remove bots based on your promotional needs.
• Advanced Quantity Conditions: Includes features to set minimum and maximum quantity conditions for added gifts.
• Reverse Bot Setup: Innovative feature to automatically remove gifts if purchase conditions are not fulfilled.
• Cart Value-based Gifting: Enables creation of bots to add gifts based on the total cart value.

CartBot has received high praise from users for its simplicity, effectiveness, and cost-efficiency. Reviewers highlight its easy setup and immediate results, making it a standout solution for businesses looking to enhance their cart offerings without the hassle and expense associated with other apps. Many users found it a lifesaver for their unique promotional needs.

iCart Cart Drawer Cart Upsell enhances the shopping experience by transforming adds to carts into sales using customizable features, such as a sticky cart and cart drawer. It offers a diverse range of upselling and cross-selling tools, including progress bars and free gifts, to encourage additional purchases and maximize revenue.

• Upselling and Cross-selling: Increase average order value (AOV) with effective in-cart upsell and cross-sell options.
• Sticky Cart Drawer: Minimize cart abandonment by maintaining a visible slide cart or mini cart.
• Cart Discount: Enhance your cart with volume discounts, free gifts, and purchase discount codes.
• Progress Bar: Encourage more purchases with a free shipping bar and gift incentives.
• Countdown Timer: Instill urgency in product upsell offers to boost sales.

The iCart app is highly praised, as seen in user reviews. It is lauded for increasing sales by at least 10% due to upselling features, providing responsive and professional customer support, and offering seamless cart functionality. Users have described it as easy to use, with significant improvements in store operations, making it a highly recommended tool for boosting revenue and optimizing ad conversions.

Sticky Buy Me - Sticky Buy Button is a user-friendly app designed to enhance your shopping experience by minimizing cart abandonment and simplifying the checkout process. It features sticky add to cart buttons, quick purchase options, and attention-grabbing animations while automatically aligning with your store's branding and seasonal themes.

• Sticky Add To Cart Buttons: Keeps critical purchasing options visible to customers, reducing the likelihood of cart abandonment.
• Quick Buy Button: Allows customers to make purchases directly from the homepage and collections, streamlining their shopping experience.
• Remember My Cart: Enables customers to access their cart across multiple devices, providing a seamless shopping experience.
• Brand Integration: Automatically adapts to your store's branding and offers seasonal themes for a cohesive look.
• Shopify OS 2.0 Compatibility: Fully compatible with Shopify’s Online Store 2.0 themes, ensuring smooth integration.

The app is highly praised for its simplicity and effectiveness, with users noting significant improvements in sales potential and user experience. Its easy setup and customization are particularly lauded, making it a valuable tool for any store looking to boost engagement and enhance customer satisfaction.

Essential Free Shipping Upsell is a powerful tool for e-commerce retailers designed to boost sales by encouraging customers to spend more for free shipping. By showing customers how close they are to achieving free shipping, this app motivates them to meet predefined cart goals, enhancing the average order value through integrated upselling and cross-selling strategies. Easily customizable, it supports various languages, currencies, and themes.

• Placed Anywhere: The app's progress bar can be positioned flexibly on product pages, cart pages, cart drawers, or as an announcement bar for optimal visibility.
• Boosts Average Order Value: Includes the ability to add product upsells, cross-sells, and cart upsells to encourage higher spending.
• Revenue-Oriented: Tracks and reports on additional revenue generated by the app's features, providing clear insights into its financial impact.
• Highly Customizable: Offers the ability to fully customize the cart goal progress bar or use pre-made styles to match branding and design preferences.
• Extras: Supports multiple languages, different currencies, and Online Store 2.0 themes, ensuring compatibility and accessibility.

The app stands out for its exceptional customer service, receiving numerous five-star reviews for quick and efficient support, which ensures a smooth user experience. Reviews highlight its user-friendliness and effective features that cater to various needs, enhancing functionality while remaining cost-effective, making it a highly recommended choice among users.

The Slide Cart Drawer by AMP is designed to enhance your store's average order value through features such as progress bars, cart upsells, and free gifts. It offers a visually appealing, sticky cart drawer that ensures easy accessibility and reduces cart abandonment. Recent updates include Single Click Shipping Protection Upsells and new Cart Upsell UI options used by leading brands.

• Cart Upsell & Cross Sell: Suggests frequently bought together items right in the cart.
• Rewards Progress Bar: Encourages customers to spend more by displaying spending goals.
• Free Gifts: Allows offering of gifts when customers reach certain buying criteria.
• Discount Bar: Provides the ability to apply and stack discount codes directly in the cart drawer.
• Sticky Cart Drawer: Offers a floating cart that remains accessible from anywhere on the site.

The Slide Cart Drawer app stands out for its exceptional customer service and ease of setup, as reflected in user reviews. Customers praise the app's reliability, its ability to seamlessly integrate and enhance the store's functionality, and the quick response time by the support team. The app is highly recommended for its customizable features and substantial positive impact on user experience.

The In Cart Upsell & Cross-Sell Shopify App is designed to boost average cart values by creating customized upsell and cross-sell offers. It enhances the shopping experience through personalized triggers and rules, and allows businesses to optimize their strategies with A/B testing and an intuitive analytics dashboard. Set up in just 3 minutes, this powerful app is perfect for maximizing revenue through targeted upselling and cross-selling.

• Conditional Logic & Triggers: Personalize shopper experience by setting specific conditions and triggers for upsell and cross-sell offers.
• A/B Testing: Optimize upsell strategies by testing different approaches and measuring their effectiveness through easy-to-use A/B testing tools.
• Intuitive Analytics Dashboard: Gain valuable insights into conversion patterns with a comprehensive and easy-to-read analytics dashboard.
• Quick Setup: Get started with upselling and cross-selling in under 3 minutes with an easy setup process.
• AI Autopilot: Leverage AI technology to automatically enhance upselling and cross-selling strategies for better results.

Based on user reviews, the app's outstanding advantages include the exceptional customer support provided, particularly by a team member named Lasandra, who ensures seamless integration and customization help. Users appreciate the ease of use and the app's comprehensive capabilities to enhance sales through flexible cross-selling and upselling options.

SEOAnt ‑ Sticky Add To Cart is designed to enhance the shopping experience by providing convenient mini or floating sticky carts, reducing user friction, and boosting product checkout rates. The app includes features like a sticky add-to-cart banner, real-time urgency countdown timer, and full customization options, driving increased conversions.

• Sticky Cart Options: Choose between a mini shopping cart and a floating sticky cart to simplify the user's shopping process.
• Sticky Add to Cart Banner: Display a prominent banner on your homepage to capture customer attention and encourage more sales.
• Urgency Countdown Timer: Implement a real-time countdown timer to create urgency and drive higher conversions.
• Quick Buy Button: Seamlessly add a quick buy button to reduce abandoned carts and improve the user experience.
• Full Customization: Customize the sticky cart to align with your store's branding for a cohesive look and feel.

The app's outstanding advantages, as highlighted in reviews, include ease of integration, enhanced customer engagement through intuitive design, and a significant reduction in cart abandonment rates, ultimately leading to increased sales and customer satisfaction.

Dr. Discount On Cart consolidates all discount code features into a single app, allowing shops to accept and apply discount codes directly within the cart. This enhances the shopping experience by displaying savings before checkout, potentially increasing conversion rates and average order value.

• Discount Stacking: Enables multiple coupon codes and automatic discounts to be combined on the cart for increased savings opportunities.
• Shipping Estimation & Free Shipping Promotion: Provides estimated shipping costs and promotes a free shipping tier, encouraging customers to reach certain purchase thresholds.
• Popup Widget for Cart Discounts: A pop-up tool to promote available discounts, capturing the shopper's attention as they navigate the store.
• No Code Self-Installation: User-friendly setup that requires no coding skills, making it accessible for all store owners to implement quickly.
• Comprehensive Discount Options: Offers a variety of discount types including BOGO, percentage discounts, flat discounts, and more, providing flexibility to store promotions.

The app's outstanding advantages, based on its reviews, include its immediate effectiveness and responsive customer support. Users have highlighted the app's ease of use and timely assistance from the support team, which make initial setup and troubleshooting efficient.

The TnC: Terms and Conditions Box app allows store owners to effortlessly add a customizable checkbox to various points on their online store, ensuring that customers agree to important policies before completing a purchase. This feature is vital for compliance with legal requirements and offers flexibility across different store pages and transactions.

• One-click Installation: Easily add a terms and conditions checkbox to your store's cart page and Ajax popup cart drawer with just one click.
• Versatile Usage: The checkbox can be customized for various purposes like terms of use, shipping policies, legal agreements, and RGPD/GDPR compliance.
• Integration Capabilities: Supports express checkout payment gateways such as PayPal, Apple Pay, and more.
• Geolocation-specific Checks: Show the checkbox for specific products and visitors from selected countries.
• Customizable Placement: Can be added to contact forms, newsletter footers, and registration forms for comprehensive policy acknowledgment.

The app's outstanding advantages, as highlighted by user reviews, include its simplicity and ease of use, excellent and responsive customer support, and efficient problem-solving. Users have praised the quick and effective assistance provided by the support team, particularly when dealing with technical issues or custom setup requirements, thus ensuring a smooth experience for all merchants.

Corner Free Gift & Cart Upsell allows e-commerce store owners to offer multiple free gifts or let customers select from a list of gifts, utilizing regular inventory products. It simplifies inventory management by avoiding $0 product creation and maximizes conversion through smart upsells.

• Multiple Free Gifts: Offer numerous free gifts simultaneously or allow customers to choose from a selection, enhancing customer satisfaction.
• Inventory Management: Use regular inventory items as gift options without creating $0 products, maintaining inventory integrity.
• Smart In Cart Upsells: Offer upsells such as frequently bought together products directly in the cart for increased sales.
• One Click Upsell: Simple upsell options like gift wrapping can be activated with a single click.
• Multi-tier Progress Bar: Offer gifts and shipping based on total cart value, encouraging higher cart totals.

Corner Free Gift & Cart Upsell is highly rated for its exceptional functionality, user-friendly customization, and outstanding customer service. Users appreciate its seamless integration during high-volume sales periods and its diverse features that outshine other apps, boosting cart value and conversion rates effectively.

Smartviewer: Quick View app enables shoppers to access product previews with a single click, enhancing browsing efficiency without needing to reload the site. This seamless experience improves conversion rates by allowing users to view product details and add items to their cart directly from the pop-up.

• Quick product previews: Customers can view product details without leaving the catalog navigation, enhancing browsing speed and efficiency.
• Add to cart functionality: Users can add products to their cart from the Quick View pop-up, simplifying the shopping process.
• No site reloads: The app allows for seamless viewing without reloading the entire site, making it more convenient for users.
• User-friendly interface: Designed for ease of use with no coding required, making activation simple and efficient.

The app's outstanding advantages include significantly enhancing the user experience with minimal effort, as acknowledged by app reviews. Users appreciate the easy cart addition feature without needing to access each product page individually. Furthermore, strong support ensures optimal functionality and usability, particularly on mobile devices, as highlighted by satisfied customers who rated the app 5/5.

Wrapin ‑ Gift Wrap & Options is a thoughtful app that helps you show care for your customers and their gift recipients. It enhances your store by offering gift-wrapping and message options that complement your existing theme and layout.

• Multiple Gift Options: Admin can add various gift options with multiple language translation support.
• Order Tagging and Reports: Automatically tag orders with gift-wrapped items and generate detailed reports.
• Email Integration: Include gift wrap and message details in the order confirmation email.
• Flexible Payment Options: Choose between paid or free gift wrap options, and set a limit for gift messages.
• Personalized Messages: Customers can add a personalized message for every gift-wrapped box.

Based on user reviews, Wrapin's support team is fast and incredibly helpful, enhancing the overall customer experience and making the app highly reliable.

Uplinkly Sticky Cart is designed to enhance the online shopping experience by keeping the add to cart button always visible, making the buying process quicker and easier for customers. The app seamlessly integrates with your store, offering built-in reporting tools and compatibility with Google Analytics and Facebook Pixel.

• Always Visible Add to Cart: Ensures the add to cart button is easy to find, increasing the likelihood of purchases.
• One Click Install: Quickly integrates the sticky cart feature into your store, saving time and effort.
• Built-in Reporting: Provides insights into sales increases and is compatible with Google Analytics and Facebook Pixel for comprehensive analysis.
• Theme Matching and Customization: Automatically matches your store theme and allows customization of button placement and text for a cohesive look.
• Responsive Design: The sticky cart feature is visible and functional across mobile, desktop, and tablet devices.

According to reviews, Uplinkly Sticky Cart significantly improves the customer shopping experience with its user-friendly interface and increased visibility of the cart button. Customers appreciate the seamless integration and enhanced conversion rates, alongside efficient and insightful analytics features.

Propel Upsell & Cross-sell is a powerful app designed to increase your store's average order value by presenting curated upsell offers to customers during the add-to-cart and checkout processes. Ideal for merchants on Shopify, it’s trusted by well-known brands to boost sales effortlessly.

• Diverse Upsell Offers: Choose from a variety of promotions including BOGO (Buy One Get One), buy one get 50% off, and more to entice customers.
• Seamless Integration: Works automatically with most themes without any need for installation or coding adjustments.
• Targeted Offers: Precision targeting options to display offers based on product page views, cart value thresholds, and more.
• Customizable Design: Extensive customization features allow you to tailor the upsell offer design to match your store's theme perfectly.
• Automatic Offer Management: Automatically removes discounts when the trigger products are removed from the cart, ensuring a smooth shopping experience.

Users rave about Propel Upsell & Cross-sell’s ease of use, effective results, and especially commend the exceptional customer support provided by the Shopify experts behind it. The app is frequently praised for its seamless integration and ability to significantly increase average order values, making it a valuable tool for e-commerce businesses.

Slide Cart Drawer—Cart Upsell is a dynamic app designed to enhance your e-commerce store by customizing your cart drawer, boosting average order value, and providing upsell opportunities. Its unique features help motivate customers to purchase more by offering discounts, free gifts, and shipping protection.

• Customizable Cart Drawer: Fully customize your cart drawer to align with your store's branding and functionality.
• Upsell and Cross-sell Options: Increase sales by recommending additional items directly within the side cart.
• Customer Rewards System: Encourage customer loyalty by offering discounts when a minimum purchase amount is met.
• Free Gifts and Offers: Incentivize larger purchases by offering free items based on the cart value.
• Progress Bar with Gifts and Protection: Motivate customers to reach higher spending thresholds with a visual progress bar that unlocks free gifts and shipping protection.

Based on user reviews, the app's outstanding advantages include its seamless integration and unmatched upselling capabilities, combined with exceptionally responsive customer support, making it a favorite among store owners. One user lauded it as "probably the best cart app," appreciating both its functionality across multiple shops and the fast support response time of just 10 minutes.

Cartly Slide Cart Drawer is a powerful app designed to optimize the conversion rate and average order value (AOV) using a CRO expert-developed cart drawer. The app features upsell and cross-sell capabilities within the cart and allows customers to pay over time with providers like Affirm, Klarna, and AfterPay.

• Flexible Payment Options: Integrate payment options like Affirm, Klarna, and AfterPay for installment payments.
• Terms Agreement Checkbox: Complies with payment processor requirements by including an 'I agree to terms' checkbox.
• Sticky Add to Cart Button: A sticky ATC feature that leads customers directly to a one-page checkout for a streamlined experience.
• Optimized Quick Buy Flow: Enhance user experience with a one-click checkout button for faster purchases.
• AI and Manual Upsell Recommendations: Use AI or manual recommendations to upsell products within the cart drawer.

The Cartly Slide Cart Drawer app stands out for its outstanding user experience and exceptional customer service. Reviews highlight its fast implementation and the smooth user interaction it provides, regardless of the task. The app is highly rated for its value for money and efficient support, making it a top choice for enhancing cart functionality.

BeSure Checkout Rules allows you to customize and control your store's checkout process by reordering, renaming, or hiding shipping and payment methods based on various conditions such as cart total, weight, address, items, and tags. This app helps streamline the checkout experience by providing flexibility to block, validate, or rearrange options for better user satisfaction.

• Flexible Method Arrangement: Easily reorder or hide shipping and payment methods based on conditions like cart total, weight, and address.
• Customizable Naming: Change the names of shipping and payment methods to suit your preferences and improve clarity for customers.
• Default Selections: Set default pre-selected shipping or payment methods to simplify the checkout experience.
• Express Checkout Options: Hide express checkout payment buttons to control the checkout flow on your store page.
• Address-based Rules: Block checkouts for specific address types, such as PO Box addresses, ensuring delivery feasibility.

The app is highly praised for its straightforward configuration and broad functionality, allowing seamless customization according to specific business needs. Customers commend the exceptional support team, particularly Sam, for resolving issues promptly and going above and beyond in facilitating a smooth migration and implementing custom rules. With its robust features and reasonable subscription costs, BeSure Checkout Rules significantly enhances the checkout experience, reducing inquiry loads and increasing customer satisfaction.

Fast Checkout Cart Upsell+Gift is an AI-powered app designed to enhance sales through upselling and cross-selling. It offers features that entice buyers by providing them with an optimized cart experience, real-time analytics, and seamless multi-language support.

• Upsell Cart Drawer: Efficiently encourages additional purchases with an intuitive cart interface.
• Real-time Activity & Analytics: Provides in-depth insights into shopper behavior for data-driven decisions.
• Countdown Deals & Promotions: Creates urgency to improve conversion rates.
• Auto-custom Integration: Easily integrates with third-party apps for a cohesive store experience.
• Multilingual Support: Seamlessly caters to diverse audiences with multi-language capabilities.

Outstanding advantages of the app include its flawless performance in optimizing store operations and exceptional customer support, praised for being friendly and resolving issues promptly, thereby earning high user recommendations.